Posted by rohit on Thursday, March 21, 2013 at 6:34am.
Find the sum of all 3digit positive numbers N that satisfy the condition that the digit sum of N is 3 times the digit sum of N+3.
Details and assumptions
The digit sum of a number is the sum of all its digits. For example, 1123 has a digit sum of 1+1+2+3=7.
The number 12=012 is a 2digit number, not a 3digit number.

maths  Anonymous, Thursday, March 21, 2013 at 5:07pm
432

maths  Anonymous, Thursday, September 8, 2016 at 9:12pm
Five
Answer This Question
Related Questions
 Math  Find the sum of all 3digit positive numbers N that satisfy the condition...
 Algebra  Let S(N) denote the digit sum of the integer N. Let M denote the ...
 MATHS  Let N be the number that consists of 61 consecutive 3's. Let M be the ...
 Maths  What are 3 5digit numbers that have the sum of their digits equal? Is ...
 math  The number uses every number 09 the numbers are used only once the ...
 Algebra  Math HW HELP!  1) It is a fivedigit whole number. 2) It is a ...
 Math  Four digit decimal between 10 and 20 my tenths digit is twice my tens ...
 Math  The digit sum for 126 is 1+2+6, or 9. The digit sum for 300 is 3+0+0, 0r ...
 math  my thousand digit is half my ones digit.my houndreds digit is odd and ...
 5th grade math  i am a number greater than 40,000 and less than 60,000 my ones ...
More Related Questions