Find three whole, positive numbers that have the same answer when multiplied together as when added together.

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

A crime was committed at baker street. Ibrahim Dakota who was shot in the stomach was the main suspect. Sherlock questioned the suspect. The conversation started as:
Sherlock: What's your story, Ibrahim?
Ibrahim: I was walking around baker street and suddenly a man from the back shot me. I ran as fast as I could to save my life".
Sherlock: That is enough (and ask the police to arrest him).

Why does Sherlock think he is the murderer?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

In the picture given below, can you find out which digit will take place of the question mark?

Where do fish keep their money?

What country can make you shiver?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?