No one wants to have it, but if one got it, he does not want to lose it. What is It?

What occurs twice in a week, once in a year but never in a day?

The more of this there is, the less you see. What is it?

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?

What does below pictogram mean?

If,

A = 1

B = 2

C = 3

...

...

Z = 26.

Based on above rule, you need to find an eleven letter word whose letter sum is equal to 52.

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

The current time can be represented by below textual rebus.

0
=========
B.Sc
LLB

Can you tell us the current time?

What month of the year has 28 days?

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