There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

John has played 50 ODI's and his average is 50. How many runs should he score in his 51st ODI, so that his average score jumps to 51?

What does man love more than life, and hate more than death or mortal strife; that which satisfied men want; the poor have, and the rich require; the miser spends, the spendthrift saves, and all men carry to their graves?

Solve the following series:
AZ, GT, MN, __, YB

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

Prove that twice of ten is the same as twice of eleven.

A Japanese ship was en route to a mission on foreign seas. The captain of the ship felt tired and thought of taking a bath. He went for taking the shower and removed his diamond ring and Rolex and kept them on the table. When he returned after taking the bath, he found that the ring and watch were stolen.

He called the five members of the crew whom he suspected and asked them what they were doing for the last 15 minutes.

The Italian cook (with a butcher knife in hand): I was in the fridge room getting meat for cooking.

The British Engineer (with a high beam torch in hand): I was working on a generator engine.

The Pakistani seaman: I was on the mast correcting the flag which was upside down by mistake.

The Indian Radio officer: I was trying to make a contact with the company to inform them about our position.

The American navigation officer: I am on night watch, so I was sleeping in my cabin.

Upon listening to them, the captain caught the lying member. Who do you think stole the valuables?

If you say my name, I will no longer exist. What am I?