A rubber ball keeps on bouncing back to 2/3 of the height from which it is dropped. Can you calculate the fraction of its original height that the ball will bounce after it is dropped and it has bounced four times without any hindrance ?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

There was a blind man. He had four socks in his drawer either black or white. He opened it and took out two socks. Now the probability that it was a pair of white socks is 1/2.

Can you find out the probability that he had taken out a pair of black socks ?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

I am an odd number. Take away a letter and I become even. What number am I?

Can you find a rabbit in the given picture?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

In a basket of apples,
when counted in twos, there was one extra
when counted in threes, there were two extra when counted in fours, there were three extra
when counted in fives, there were four extra
when counted in sixes, there was five extra.

However, if the apples were counted in sevens, no extra apple was left. Can you calculate the minimum number of apples that were present in the basket?

Mother's Name is Mrs. SIXTY TWO
Son's Name is FIFTY TWO
Daughter's Name is FORTY TWO
What is Name of Father?

How can you drop a raw egg from a height onto a concrete floor without cracking it?