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The four-digit number 25AB is divisible by four, with A the tens digit and B the units digit. How many different such four-digit numbers could 25AB represent?

 Jul 7, 2022
 #1
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Assuming  that A and B could be the same digits  we have

 

[ 96  - 00  ]  /  4   +   1   =

 

96 / 4   +   1   =

 

24  +  1  =  

 

25 such numbers

 

 

cool cool cool

 Jul 7, 2022

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