Wednesday

January 28, 2015

January 28, 2015

Number of results: 41,378

**Math **

I form a 3-digit number at random from the digits 1-9. What is the probability that my number has no repeated digits? All three digits the same? Exactly one repeated digit?
*November 12, 2012 by Kay*

**algebra**

A number consists of two digits. The sum of 3 times the units digit and 4 times the units digit is 24. If the digits are reversed, the new number is 25 less than the original number. Find the number
*July 11, 2011 by mutaz*

**math**

1. a door code is made up of six unique digits the last digit is 8. 2.oddd and even digits alternate(o is even) 3.the difference of the adjacent is always bigger than 1. 4.the first 2 digits (reads as one number)as well as he two middle digits(as one number) are multiples of ...
*July 16, 2008 by tony*

**Maths**

a 2 digit number is 9 times the sum of its digits .if it's ones and tens digits be x and y.write a linear equation in two variable
*January 4, 2015 by Vishal*

**math**

a 2 digit number is 9 times the sum of its digits .if it's ones and tens digits be x and y.write a linear equation in two variable
*January 4, 2015 by vishal*

**MATH**

I AM A FOUR-DIGIT EVEN NUMBER. THE SUM OF MY DIGITS IS 15. THE ONES DIGIT IS ONE MORE THAN TENS DIGIT,WICH IS ONE MORE THAN THAN THE THOUSANDS DIGIT. THE HUNDREDS DIGIT IS THE SUM OF THE ONES AND THOUSANDS DIGITS. THE TENS DIGIT IS 3. WHAT AM I ?
*September 27, 2011 by vianey*

**maths**

A certain number has 3 digits.The sum of 3 digits =36 multiplied by the 3digits number.What is the 3 digit number?
*January 31, 2012 by mavis*

**math**

A number rounds off to 4000.The digits in the hundreds place is twice the digits in the tens place.The sum of the digits is 12.The number uses only two diffirent digits.find the number.
*June 18, 2013 by shirley nicole silva*

**math**

a number rounds off to 4000.the digits in the hundreds place is twice the digits in the tens place.the sum of the digits is 12.the number uses only two different digits.find the number.
*June 18, 2013 by shirley nicole silva*

**math**

Consider all three-digit numbers that are greater than the sum of the squares of their digits by exactly 543. What are the last three digits of the sum of these numbers?
*March 11, 2013 by Jacobb*

**Algebra**

Consider all three-digit numbers that are greater than the sum of the squares of their digits by exactly 543. What are the last three digits of the sum of these numbers?
*March 12, 2013 by John*

**math**

Consider all three-digit numbers that are greater than the sum of the squares of their digits by exactly 543. What are the last three digits of the sum of these numbers?
*August 16, 2013 by shanmukh*

**math count warm up**

What positive four-digit integer has its thousands and hundreds digits add up to the tens digit. Its hundreds and tens digits add up to its once digit and its tens and ones digits add up to the two digit number formed by the thousands and hundreds digits? Answer is 1459 wanted...
*November 9, 2014 by Sam*

**Pre-Algebra**

-My tens and units digits are consecutive integers whose product is 2/3 of my hundreds digit. -My units digit is 1/3 of my hundreds digit. -The sum of my digits id equal to the sum of the first five counting numbers. What year am I?
*April 27, 2011 by Shelbie*

**math**

a number has 4 digits. no digits in the number are repeated. the digit in the tens place is three times the digit in the thousands place. the number is odd. the sum of the digits in the number is 27. what is the number? I started with the 10s and 1000s place. To sum up to 27, ...
*March 5, 2007 by ciera*

**Math**

If a number of 2 digits is divided by the sum of its digits, the quotient is 2 and the remainder is 2. If it's multiplied by the sum of its digits, the result is 112. Find the number.
*April 17, 2014 by Erica*

**math**

It is less than 100,000. it's an even number. it is divisible by 2,3, and 6. None of the digits is less than 4. None of the digits is used more than once. the sum of the digits is 30. The digit in the hundreds place is 2 less than the digit in the thousands place. The digit in...
*September 21, 2011 by Anonymous*

**5th grade**

I am a 3-digit number divisible by three my tens digit is three times as great as my hundreds digit and the sum of my digits is 15 if you reverse my digits i am divisible by 6 as well as by three
*January 5, 2010 by Jackie*

**word problem**

The number whose digits have a sum the same as the digits in 36. This number is less than 50 and greater than 36.
*September 29, 2011 by bea*

**math**

this 7-digit number is 8,920,000 when rounded to the nearest ten thousand. the digits to the tens and hundreds places are the least and same value. the value of the thousands digit is double that of the ten thousands digit. the sum of all its digits is 24.
*September 2, 2014 by bam*

**MATH Trouble**

I have no idea what this problem means: For how many two-digit numbers if the ones digit larger than the tens-digit? Can you find a systematic way to arrive at the number? Ok, every 2-digit number looks like xy, where x is the 10's digit and y is the one's digit. It should be ...
*August 30, 2006 by Kelly*

**math**

. The ones digit is 0. . The hundreds and tens digits are consecutive numbers. . The digits in the thousands period have a sum of 15, with the hundred thousands digit being the greatest of the threes digits and the ten thousands digit being the least. . The amount in the ...
*December 10, 2012 by sofia*

**Math**

Need Answer to the Following Please: Using the 9 digits, 1, 2, 3, 4, 5, 6,7, 8 and 9 you can arrange four different digits to form a four-digit number that is NOT divisible by 7. The digits 1238 cannot be arranged to create a four-digit number that is divisible by 7. The ...
*March 7, 2012 by Need Help Please*

**PROBLEM SOLVING IN MATHEMATICS**

there are two prime numbers between 100 and 199 such that the ten digits is a prime number, the ones digit is a prime number and the tens and ones digits taken together are a 2 digit prime number. find the sum of these 2 prime number.
*October 6, 2011 by alya*

**math **

4 digit number greater than 8000 disvible by 5 sum of all digits equals 20?
*September 14, 2010 by Rhys*

**Math**

The difference between my digits is 7. When you divide me by the sum of my digits, the quotient is the sum of my digits. That makes me a perfect you know what! Which number am I?
*December 4, 2012 by Joshua*

**Algebra**

Let S(N) denote the digit sum of the integer N. Let M denote the maximum value of N/S(N), where N is a 3-digit number. How many 3-digit numbers N satisfy N/S(N)=M? The digit sum of an integer is the sum of all its digits. For example, the digit sum of N=1123 is 1+1+2+3=7.
*March 18, 2013 by Stranger*

**Algebra 2**

The sum of the digits of a two-digit number is 9. If the digits are reversed, the new number is 27 more than the original number. Find the original number. I hate silly word problems like this, please help me out.
*November 13, 2010 by Alissa*

**algebra**

The sum of the digits of a two-digit number is eleven. If the digits are reversed, the new number is sixty-three less than the original number. Find the original number. Help? &explain how you got the answer please.
*November 16, 2011 by nicole*

**4th grade math**

Find the mystery number. It is a 4 digit odd number. All the digits are different. None of the digits are 0 or 9. The tens digit is twice the ones digit, and the hundreds digit is twice the tens digit. The thousands digit is one less than the hundreds digit.
*September 19, 2012 by Denise*

**math**

400 is a three-digit square number that makes a one-digit square number when its digits are reversed.How many three-digit squares are there which make three -digit squares when their digits are reversed
*May 19, 2013 by lian*

**algebra**

The value of a certain two-digit number is eight times he sum of its digits. if the digits of the number are reversed the result is 45 less than the original number. find the original number. **please show both equations and work... thanks =)
*February 28, 2011 by Bri*

**Math (Reiny)**

Regarding my question below, when the question talks about digits 0-7 do we include the 0. In other words, are the possible digits 0,1,2,3,4,5,6,7 or 1,2,3,4,5,6,7? Thanks again for your help. How many odd four-digit numbers, all of the digit different can be formed from the ...
*January 5, 2011 by Ann*

**math**

the digits of a certain number of 3 arithmetical digits are in arithmetical progression.Their sum is 15.And the number is 129 times the first digit.What is the number??? by using the formula.. please...
*September 1, 2009 by lony*

**math**

the digits of a certain number of 3 arithmetical digits are in arithmetical progression.Their sum is 15.And the number is 129 times the first digit.What is the number??? answer it please.. thanks you..
*August 31, 2009 by lony*

**math**

the digits of a certain number of 3 arithmetical digits are in arithmetical progression.Their sum is 15.And the number is 129 times the first digit.What is the number??? answer it please.. thank you..
*August 31, 2009 by lony*

**math**

find the mystery number, it is a 4 digit odd number, all the digits are different, none of the digits are 0-9, the tens digit is twice the ones digit, and the hundreds digit is twice th tens digit. the thousands digit is one less than the hundreds digit?
*September 19, 2012 by Evelyn*

**math**

i am a 2 digit number my ones digit is greater than than my tens digit my ones digit is 4 times my tens digit the sum of my digits is 10 what number am i
*December 12, 2012 by Anonymous*

**math**

I am five digit number greater than 60 000 but less than 70 000: my ones digit is 1 less than my ten thousands digit. All my digits are the same. The sum of my didits is 23.
*June 26, 2014 by naome*

**math**

it is between 1 and 2 million.the first three digits are the same.the least possible digit is in the thousands place.the greatest possible digit is in the ones place.the hundreds digit is 1 more than the tens digit.the sum of the digits is 21.
*November 4, 2012 by deja *

**math**

write a five digit number(s) that fits each description. use only the digits that the athletes are wearing. use each digit only once in each answer. The digits on athletes are: 4,1,8,3,6 3. find the least number greater than 4.5
*December 11, 2013 by John Dosley*

**Maths**

A two digit number is formed by either substracting 17 from nine times the sum of the digits or by adding 21 to 13 times the difference of the digits .find the number
*June 29, 2013 by Anu*

**Number Sentence**

In a 4-digit number, the two greatest place-value digits are 2. The sum of the ones and tens digits is 14. What numbers are possible? We're told we have a number that looks like 22ab where a and b are the ten's and one's digits, and a+b=14. There aren't too many possibilities ...
*September 18, 2006 by Joseph*

**Maths**

The Sentosa High School's telephone number is an eight digit number. The sum of the two numbers formed from the first three digits and the last five digits respectively 66558. The sum of two numbers formed from the first five digits and the last three digits is 65577. Find the...
*February 23, 2012 by Surya*

**Math Help Please**

Would you please explain the steps you used to get the answer 2469. Thank you Using the 9 digits, 1, 2, 3, 4, 5, 6,7, 8 and 9 you can arrange four different digits to form a four-digit number that is NOT divisible by 7. The digits 1238 cannot be arranged to create a four-digit...
*March 8, 2012 by TO: Steve*

**math**

the number has 7 digits it is evenly divided by 00 the value of one of the digits is 60,000 the digit in the hundredth place is both even and prime the digit is the thousands place is 1/2 the value of the digit in the ten thousand place the digit in the hundred thousands place...
*August 29, 2012 by sonia*

**math**

i am a 6 digit number.All of the digits in the ones period are the same. All of the digits in the thousands period are the same. The sum of my digits is 33. Whats my number
*September 3, 2013 by Anonymous*

**math**

the sum of the digits of a two digit number is 9. if the digits are reversed, the new number if 63 grater than the original number. what is the original number?
*March 5, 2008 by dillon*

**algebra**

The digits of a two-digit number sum to 8. When the digits are reversed, the resulting number is 18 less than the original number. What is the original number?
*June 15, 2014 by Andrea Flores*

**5th grade**

The number has 7 digits It is evenly divisible by 100 The value of one of the digits is 60,000 The digit in the hundreds place is both even and prime The digit in the thousandr place is half the value of the digit in the ten thousands place The digit in the hundred thousands ...
*August 16, 2010 by brandon*

**math**

A 999-digit number starts with 9. Every 2 consecutive digits is divisible by 17 or 23. There are 2 possibilities for the last 3 digits. What is the sum of these 2 possibilities?
*June 18, 2013 by jack *

**math**

I am a six digit number, all my digits are the same, the sum of all my digits after being subtracted from the largest six digit number is six, who am i
*April 22, 2013 by srinidhi*

**math**

Find the four-digit number described by these three clues. 1) The first digit is one-third of the third digit. 2) The fourth digit is twice the second digit. 3) The first and third digits add up to twice the sum of the second and fourth digits.
*March 7, 2010 by Joe*

**Algebra**

A 5 digit positive integer is a "mountain number" if the first 3 digits are in ascending order and the last 3 digits are in descending order. For example, 35 761 is a mountain number, but 32 323 and 35 655 are not. How many 5 digit numbers greater than 70 000 are mountain ...
*April 2, 2011 by Jack*

**Maths**

This mystery number has 3 digits.Its digits are in the descending order. The hundreds' digit is two more than the ones' digit. If you add the 3 digit it gives you a dozen. Guess this mystery number?
*September 13, 2010 by Sharlet*

**3rd grade**

I am a number greater than 99 and less than 1,000. Two of my digits that aren't next to each other are the same. My tens digit could not be greater and it is 1 more than my hundreds digit. What number am I?
*August 30, 2010 by andrew*

**math**

This is an SAT question of the day that I can't understand. The sum of the digits of a three-digit number is 12. If the hundreds digit is 3 times the tens digit and the tens digit is 1 over 2 the units digit, what is the tens digit of the number? Answer choices: 2 3 4 6 9
*March 29, 2008 by Anonymous*

**3rd grade math**

I am a number greater than 99 and less than 1,000. Two of my digits that aren't next to each other are the same. My tens digit could not be greater and it is 1 more than my hundreds digit. What number am I?
*September 15, 2010 by Traci *

**Math**

I am a number less than 40,000. All my digits are multiples of 3. My first,third,and fifth digits are the same. both my thousands digits and my tens digit are six more than the others.
*May 9, 2013 by Michael Taylor*

**MATHS**

Let N be the number that consists of 61 consecutive 3's. Let M be the number that consists of 62 consecutive 6's. What is the digit sum of N×M? Details and assumptions The digit sum of a number is the sum of all its digits. E.g. the digit sum of N is 3+3+3+…+3+3+3=3×61=183 ...
*May 21, 2013 by HELP!!! *

**Math**

I am a five-digit number greater than 60,000 but less than 70,000. My ones is 1 less than my ten thousands digit. All my other are the same. the sum of my digits is 23. what is my number?
*June 12, 2014 by Charli*

**Math**

What do the digits in the number 15 add up to? Answer 1+5=___. Using single digits, how many different ways can you add up to 6?. Example: The least number of digits is 2, and it is 1+5=6. The greatest number of digits is 6, and it is 1+1+1+1+1+1=6. 1.How many other numbers ...
*March 21, 2010 by Mohammed*

**Math**

Tens and hundred digits are equAland ones and thousands have a sum equal to one of the middle digits the entire digit sum is 21 what year was it made in
*November 13, 2012 by G*

**Maths**

What are 3 5-digit numbers that have the sum of their digits equal? Is it as simple as finding a random 5 digit number than switching the number order and making 2 new numbers with the same digit sum? thank you
*August 19, 2008 by Eric*

**math**

My 3 digit number has a 4 in the hundreds place.It has a greater digit in the tens place than in the ones place.The sum of the digits is 6.What is my number?
*September 16, 2014 by Alvaro*

**math**

When this 3 digit number is rounded to the nearest hundred, it rounds to 300. The digit in the ones place is 4. The sum of the digits in the 3 digit number is 11. What is the number?
*September 15, 2014 by meme*

**math**

your social security number is a 9 digit number. suppose that the last 4 digits are chosen randomly from the number 0-9. a. how many sequences are possible for the last 4 digits? b. what is the probability of getting 5 or 0 in the last digit. c. what is the probability of ...
*February 26, 2008 by Mackenzie*

**math**

write a five digit number(s) that fits each description. use only the digits that the athletes are wearing. use each digit only once in each answer. The digits on athletes are: 4,1,8,3,6 2. find the number that is one and one thousand greater than 3.1638.
*December 11, 2013 by John Dosley*

**math**

i am a relflex angle. all the digits in my angle measure are even. all of my digits are different. all three of my digits are factors of 8. my tens digit is greater than my one digit. what is my measure?
*April 4, 2011 by janet*

**decimals**

` a four digit number between 12 and 13 has an odd number in the hundredth place and an even number in the tenths place. the hundreths digit is greater than the tenths digit. the sum of the tenths and hundreths digits is 9. what are possible four-digit numbers?
*May 28, 2014 by jenny*

**3rd grade**

when this 3-digit number is rounded to the nearest ten, the sum of its digits is 16 .the hundreds digit of this number is 8 and the ones digit is 5 . what is the number?
*September 21, 2011 by grandma*

**math**

What is the number? It has seven digits. The value of one of its digits is 600. Two of the digits in the thousands period are 7's and the third one of them has a value of 3 x 10,000. The digit withe greatest place value in the number is between four and six, and the digit with...
*November 7, 2011 by shawnna*

**algebra**

the units digit of a 2-digit number exceeds twice the tens digit by 1. find the number if the sum of its digits is 10. Please help i am completley lost!!
*January 6, 2010 by packy*

**Math**

If a positive two-digit integer is divided by the sum of its digits, the quotient is 2 with a remainder of 2. If the same two-digit integer is multiplied by the sum of its digits, the product is 112. What is the two-digit integer?
*January 9, 2011 by Kinnari*

**Algebra**

A two digit number is three less than seven times the sum of its digits. if the digits are reversed, the new number is 18 less than the original number. what is the new number?
*January 9, 2014 by Ashley Kate*

**Algebra**

A two digit number is three less than seven times the sum of its digits. if the digits are reversed, the new number is 18 less than the original number. what is the new number?
*January 9, 2014 by Ashley Kate*

**math**

Im greater than 99 but less than 1000, two of my digits that are not next to each other are the same, my tenth digit can't be greater and is more than my hundreths digit. What number am I?
*November 17, 2009 by jessy*

**number problem**

The units digit of a 2 digit number exceeds thrice the tens digit by 1. The sum of the digits is 9. Find the number.
*November 14, 2012 by MNHS*

**Math for the middle school and elementary teacher**

what number am I? I am a 3-digit number. I am equal to the sum of the cubes of my digits. I am between 100 and 200. My digits are odd. Explain whether or not other solutions to the riddle are possible. My answer was 153...is that correct? please let me know. could 135 work too?
*September 1, 2011 by liz*

**Math**

The sum of the digits of a two-digit number is 12, and the units digit is twice the tens digit. Find the number.
*February 12, 2012 by Carp*

**Maths**

the sum of the digit of two-digits number is 12, and the units digit is twice the tens digit.Find the number.
*November 3, 2014 by Ilma*

**Math**

Determine the digits of Y from these clues. The digits of Y add to 18. The first digit is 3 times the third digit. The second digit is 2 times the third digit. Y is a three digit number.
*June 18, 2013 by bob*

**algebra**

what three digit number is less than 300 and the ones digit is 4 times the hundreds digit and the tens digit is 5 more than the hundreds digit and the sum of the digits is 17
*December 7, 2010 by Karen Nelson*

**arithmetic**

I am greater than 200 but less than 500. The sum of my digits is 18. the product of my tens place digit and my 100's place digit equal 20. What digit am I ???
*October 14, 2012 by Mikey*

**Math**

The sum of the digits of a two-digit is 15. The tens digit is one more than the units digit. What is the number?
*September 25, 2013 by Gabby*

**maths**

my number is less than 100 one more than a multiple of 3 one of its digits is prime if you reverse its digits you get a prime it has exactly four factors the sum of digits is prime if you miltiply it by 5 it is greater than 100
*February 19, 2014 by ashley*

**math**

I am adecimal number less than 1. the digit in my hundreths place is the sum of the digits in my thousandths place. The digit in my tenths place is 1 greater than the digit in my thousandths place. Which 3 numbers could I be?
*July 11, 2012 by janrix*

**mathematics**

what is seven-digit number if the ones digit is the sum of the millions digit and thousands digit is and the digits is the number from the largest value to the smallest place value are consecutive numbers.
*June 19, 2012 by lauren*

**math**

What are the divisibility short cuts that help you out? Odd numbers can only be divided evenly by another odd number. Even numbers can be evenly divided by either odd or even numbers. 2---Numbers that end in 0, 2, 4, 6, or 8 are evenly divisible by 2. 3---If the sum of a ...
*December 19, 2006 by chris*

**college problem solving**

a certain two-digit number is 6 less than the sum of its tens digit and 7 times its units digit. if the digits are reversed the number is increase by 27. fin the original two-digit numbers
*November 24, 2013 by luckybee*

**Math**

Solve the mathematical puzzle. Determine the digits of R from these clues. The first digit is the answer when the third digit is divided by 2. The second and third digits add to 7. The second digit minus the first digit is 1. R is a three-digit number: ____ I have never ...
*April 29, 2013 by Shawna Lynn*

**math**

This is an SAT Question of the Day. The sum of the digits of a three-digit number is 12. If the hundreds digit is 3 times the tens digit and the tens digit is 1 over 2 the units digit, what is the tens digit of the number? The way the question is phrased is very confusing. ...
*April 15, 2008 by Anonymous*

**Math- Problem solving**

A number has 4 digits. The digit in the hundredths place us greater than the digit in the hundredths place of 4.361. The digit in the tousandths place is greater than the digit in the tenths place of 2.85. What are the possible four-digit numbers between 8.6 and 8.7?
*March 4, 2013 by Joelle*

**maths**

both my hundreds and units digits are one-half of my tens digit.the sum of my three digits is 16. what am i?
*January 27, 2013 by richard*

**St Grainne,s**

Both my hundreds and units digits are one-half of my tens digit. The sum of my three digits is 16. What am I.
*October 15, 2014 by Cillian*

**6 th grade Math**

You can find the total number of different 4-digit numbers of choices for each digit (9) to the number of digits (4), or 9 to the 4th power. Based on this pattern, how many different 5-digit numbers could you make from the digits 1 through 8?
*December 14, 2011 by Bob*

**Algebra**

I am thinking of a number.It is a multiple of 3 but not 6.It is greater than 25^2 but less than 30^2.The units digit is a perfect square and the sum of the other two digits is the square root of 81. What is my number? A three-dimensional model of a city has a scale of 1 inches...
*February 12, 2009 by Christina*

**Math**

I am a 2- digit number . The sum of my digits is 12 . My tens digit is 4 more than my ones digit. What number am I ?
*September 19, 2012 by Hailey*

**math**

Any of the ten digits 0 through 9 may be used in a 6-digit code, but no digit may be used more than once. If the first two digits are 1 and 7, what is the largest possible average of all 6 digits? a)4 b)6 c)6.5 d) 7
*April 18, 2013 by sammy*

**decimals**

a number has four digits. the digit in the hundredth place is greater than the digit in the hundreths place of 4.361. the digit in the thousandths place is greater than the digit in the tenths place of 2.85. what are the possible four-digit numbers between 8.6 and 8.7?
*May 28, 2014 by jenny*

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