Posted by **Britney** on Tuesday, August 30, 2011 at 9:50pm.

I'm a 4 digit number with no 2 digits the same.

My ones digit is twice my thousands digit and 1 less than my tens digit.

My hundreds digit is the difference between my tens digit and my thousands digit.

My thousands digit is an odd number less than 6.

What number am I?

- 4th grade math -
**bobpursley**, Tuesday, August 30, 2011 at 10:08pm
XXXX

axx(2a)

a(b-a)b(2a)

and 2a=b-1

so a cannot be 1 as that would make the hundreds digit the same as the ones

if a is 2, then 2a=4, and b=5, and the thousands digit is also4.

if a is 3, then 2a=6, and b=7, and thousands is 4 (7-3)

number is 3476

lets see if there are others.

if a is 4, 2a is 8, and b=9, and b-a is 5: solution 4598

a cannot be greater than 4, as the ones digit has to be twice a.

SO, two solutions: 3476 and 4598

check all this.

- 4th grade math -
**William**, Wednesday, August 31, 2011 at 7:33pm
what is the value of the underline digit 6.... 4,600,028

- 4th grade math -
**kyleigh**, Tuesday, September 6, 2011 at 11:27pm
how can you explain the difference between 120-70 using mental math

- spail sheet -
**kate**, Sunday, October 30, 2011 at 1:41pm
what is the fist anwer.

- 4th grade math -
**Anonymous**, Sunday, September 16, 2012 at 9:59pm
Ghh

- 4th grade math -
**Anonymous**, Sunday, September 16, 2012 at 10:01pm
I am a 3-digit number. My ones digit is three times my tens digit. Two times the sum of my tens and ones digits equals my tenths digit. What am I ?

- 4th grade math -
**m**, Tuesday, June 25, 2013 at 6:45am
the answer is 1232

as two of the digits should be same also

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