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.

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

John has eleven friends. He has a bowl containing eleven apples. Now He wants to divide the eleven apples among his friends, in such a way that an apple should remain in his bowl.
How can He do it?

81 x 9 = 801. What must you do to make the this equation true?

A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?

What is always in front of you but can’t be seen?

Can you solve below mathematical equation?

2^1234 - 2^1233

Can you name some countries which do not have the alphabet 'A' in them?

How many times in a given day, minutes and hour clock comes in a straight line ?

There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?