What number should come in place of the question mark below?

Two-person want to cross a river. Only one boat is present on the riverside that can carry only one person at a time.

However, they still manage to cross the river. How is it possible?

In the four images below, can you find the odd one out?

How many triangles can you count in the figure given?

What kind of band never plays music?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

If a wheel has 54 spokes, how many spaces are there between the spokes?

A pet show was happening in my locality. I went down along with my kids. In that show, I noticed that all except two of the entries were cats. All except two were dogs and all except two were Monkeys.

Can you find out how many of each animals were present in that pet show?

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

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?