What number when divided in half becomes zero?

Find the smallest sentence with all the English alphabet.

Three logicians went to bar for having a drink. The bar person asks the logicians "Do they all want to have the drink?". The first logician replied, " I don't know". The second logician replied, " I don't know". What is the reply of the last logician?

Find the missing number in the series below

13 -21 34 -55 ? -144

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

Be active and find the killer in the picture Riddle below.

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

what one word does the below rebus identifies?

The centre of the third figure is empty. What digit should fit inside?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?