Tricky but still easy to solve

Algebra Level 3

In sareen family each daughter has the same number of brothers as she has sisters and each son has twice as many sisters as he has brothers

How many sons does the sareen family have?


The answer is 3.

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1 solution

Shriram Santhanam
Nov 10, 2014

Let d = number of daughters S = number of sons

From condition 1 =>. b-1=s -------(1)

From condition 2 => 2(s-1)=d----(2)

Solving both equations

D=4 s=3

Hence answer is 3

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