Saturday, January 27, 2007

IIT Maths

The mom is 21 years older than the child.

In 6 years from now the mom will be 5 times as old as the child.


Question :
Where's the father?




Try first, before you check the answer below!


Please try this one. Please do not scroll down till you give up with the answer.











Solution :

The mom is 21 years older than the child.


M = C + 21

In 6 years from now the mom will be 5 times as old as the child.

M + 6 = (C + 6) x 5

Hence,

C + 21 + 6 = (C + 6) x 5

C + 27 = 5C + 30

-3 = 4C

C = -3/4 = -9 months

The child is -3/4 years old, it'll be born in 9 months.

"So right now, the father is on top of the MOTHER!!"




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