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My best friend-math problem


                                                                      My best friend
Young John loves mathematics and when asked what his best friend is, he replied.
I trust him and I love him.
His age when he is divided  by either one 6,8,9,12 the remainder is 4.
Can you find the age John's friend?
A good math problem for training in number theory.
Try this puzzle puzzle, and share it with your friends.
You can see the solution below.

IF n is the number
n=multiple 6+4
n=multiple 8+4
n=multiple 9+4
n=multiple 12+4

n-4=LCM (6.8.9.12)=72
n=72 +4=76

 

 

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