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.
This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try
refreshing the page, (b) enabling javascript if it is disabled on your browser and,
finally, (c)
loading the
non-javascript version of this page
. We're sorry about the hassle.
1 solution
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