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4-digit number

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Some 4 digit numbers 2012-10-25
samira pose la question :
How many 4-digit numbers are there in which the first and last digits are the same?
Penny Nom lui répond.
Four-digit numbers 2009-04-11
jp pose la question :
How many four-digit numbers are there?
Penny Nom lui répond.
A 4-digit number 2009-01-05
Anya pose la question :
It is a 4-digit number

The tens are double the ones.

The thousands are double the tens.

The sum of the digits is 19.

What number is it?

Penny Nom lui répond.
I am a 4-digit number 2008-02-12
Nickie pose la question :
I am a 4-digit number with no repeating digits. I am divisible by 5, my first two digits (left to right) make a number divisible by 3, and my first three digits make a number divisible by 4. Also, my digits have a sum of 19 and I have the digit 7 in the thousands place. Who am I?
Penny Nom lui répond.
The largest 4-digit odd number 2007-09-21
Courtney pose la question :
what is the largest 4-digit odd number you can make with 1 - 9. You can not repeat digits within a number
Harley Weston lui répond.
4-digit numbers using 7, 8, 9 and 0 2000-09-13
Ryan pose la question :
Could you please help me with the following problem, How many different 4-digit numbers are there that use each of the digits 7,8,9,and 0? Please list them.
Penny Nom lui répond.
 
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