Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?

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?

Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of London.

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

10 people came into a hotel with 9 rooms and each guest wanted his own room. The bellboy solved this problem.
He asked the tenth guest to wait for a little with the first guest in room number 1. So in the first room, there were two people. The bellboy took the third guest to room number 2, the fourth to number 3, ..., and the ninth guest to room number 8. Then he returned to room number 1 and took the tenth guest to room number 9, still vacant.
How can everybody have his own room?

If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

Find the last number in the series below:

voN luJ yaM raM ---