Remove two matchsticks to make the below equation correct.

The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?

Which is heavier: a ton of bricks or a ton of feathers?

What does a man do only once in his lifetime, but women do once a year after they are 29?

Can you find the dog hidden in a group of pandas?

What Time Should the last watch show in the below figure?

A professor thinks of two consecutive numbers between 1 and 10.
'A' knows the 1st number and 'B' knows the second number

A: I do not know your number.
B: Nor do I know your number.
A: Now I know.

What are the four solutions for this?

Which tank will fill first?

Can you count the number of squares in the given picture?

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?