Before Mount Everest was discovered, what was the highest mountain in the world?

Why is it very easy to weigh a fish?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

Why is the Hole below a Lock?

By what process could you make a 'Tea-Table' into food?

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?

Identify The phrase in the picture.

A man is trapped in a room. The room has only two possible exits doors. Through the first door there is a room constructed from magnifying glass. The blazing hot sun instantly fries anything or anyone that enters. Through the second door there is a fire-breathing dragon. How does the man escape?

What has many keys but can’t open a single lock?

What do you get if you add 2 to 100 four times?