top button
Flag Notify
    Connect to us
      Site Registration

Site Registration

Puzzle: What is the probability that their other child is also a girl?

+2 votes
616 views

A and B have two children. The probability that the first child is a girl is 50%. The probability that the second child is a girl is also 50%. A and B tell you that they have a daughter.

What is the probability that their other child is also a girl?

posted Jan 14, 2014 by anonymous

Share this puzzle
Facebook Share Button Twitter Share Button LinkedIn Share Button

2 Answers (Check Answer ▼)





Similar Puzzles
0 votes

I have two coins.
* One of the coin is a faulty coin having tail on both side of it.
* The other coin is a perfect coin (heads on side and tail on other).

I blind fold myself and pick a coin and put the coin on table. The face of coin towards the sky is tail.

What is the probability that other side is also tail ?

0 votes

A couple has two children, one of the child is a boy. What is the probability that the other child is also a boy?

Hint: Its not 1/2.

+3 votes

In a hotel, rooms are numbered from 101 to 550. A room is chosen at random. What is the probability that room number starts with 1, 2 or 3 and ends with 4, 5 or 6 ?

0 votes

John and Jenni are a married couple. They have two kids, one of them is a girl. Assume safely that the probability of each gender is 1/2.
What is the probability that the other kid is also a girl?

Hint: It is not 1/2 as you would first think.

+1 vote

There are two houses - House P and House Q. In both P and Q lives a family with two children each.

The House P has a family with a boy who loves to play football. Their other child likes to swim.

The house Q has a family with a six year old boy who loves to read and they have just had a new baby.

You are asked:
Which of the given houses is likely to have a girl child?

What will you answer?

...