Question

Riddle:
A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sistes are there in the family? 
This trick question gives you a bunch of ways to get totally confused if you try to figure out the answer. The key is to keep it simple. Be sure to count the sisters and brothers in total and in terms of their own number of siblings. Then the answer gets a little easier.
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Answer 1

$\textbf{\underline{\underline{Answer :-}}}$

4 daughters (sisters) and 3 sons (brothers).

$\textbf{\underline{\underline{Explanation :-}}}$

These type of riddles help us build our logical skills as it forces us to make our brain run and work smartly.

A girl has as many brothers as sisters : If one of the daughters count her siblings, she would count - 3 sisters (3 remaining daughters in the family) and her 3 brothers (3 Sons in the family). So, it makes the statement true that the girl has as many brothers as sisters.

Each brother has only half as many brothers as sisters.This means, when one of the sons count his siblings, it would be 2 brothers (remaining 2 sons of the family) and 4 sisters (All 4 daughters in the family). 2 is the half of 4. It agrees to the condition that

each brother has only half as many brothers as sisters.

Therefore the answer is :

The family has 4 daughters (sisters) and 3 sons (brothers).

Answer 2

hola,

here is your answer

there are four sisters and three brothers in the family.

explanation

Equations with respect to Boy1

No. of sisters (girls) in family : x

No. of brothers : x

Therefore no. of boys = x +1 (Boy 1)

Equations with respect to Girl 1

No. of sisters : y

So, no. of girls : y+1

No. of brothers : 2y

Solving the equations

2y= x+1 and x=y+1

Or 2y = y +1 +1

Or y=2 and x=3.

That is 3 girls and 4 boys in the family

Hope it helps