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A family has several children. Each boy in the family has as many sisters as brothers. Each girl has twice as many brothers as sisters. How many brothers & sisters are there?
  • a)
    3 Brothers, 4 Sisters
  • b)
    4 Brothers, 4 Sisters
  • c)
    4 Brothers, 3 Sisters
  • d)
    Cannot say
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
A family has several children. Each boy in the family has as many sist...
We can solve this question by just checking the options for the given condition.Taking option III i.e. 4 brothers and 3 sisters the given conditions are satisfied.
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Most Upvoted Answer
A family has several children. Each boy in the family has as many sist...
And sisters are in the family?

Let's assume there are b brothers and g sisters in the family.

According to the first condition, each boy has as many sisters as brothers. This means that each boy has (b-1) sisters.

According to the second condition, each girl has twice as many brothers as sisters. This means that each girl has 2*(g-1) brothers.

Since there are b brothers and each boy has (b-1) sisters, the total number of sisters in the family is b * (b-1).

Similarly, since there are g sisters and each girl has 2*(g-1) brothers, the total number of brothers in the family is g * 2*(g-1).

Now, we can set up the following equations:

b * (b-1) = g * 2*(g-1) (equation 1)
b + g = total number of children in the family (equation 2)

We can solve this system of equations to find the values of b and g.

However, we need more information to determine the total number of brothers and sisters in the family.
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A family has several children. Each boy in the family has as many sisters as brothers. Each girl has twice as many brothers as sisters. How many brothers & sisters are there?a)3 Brothers, 4 Sistersb)4 Brothers, 4 Sistersc)4 Brothers, 3 Sistersd)Cannot sayCorrect answer is option 'C'. Can you explain this answer?
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