There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

I am quite hot but become too cold if you remove the first two letters. What am I?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

There was a greenhouse.
Inside the greenhouse, there is a white house.
Inside the white house, there is a red house.
Inside the red house, there are lots of babies.

What is It?

There are a hundred statements.

First person says: At least one of the statements is false.

Second person says: At least two of the statements is false.

Third person says: At least three of the statements are false.

Fourth person says: At least four of the statements are false.

..

..

..

Hundredth person says: At least a hundred of the statements are false.

Analysing it, how many statements do you think are false and how many are true?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

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 ?

Can you solve this picture maths equation?