Be active and find the killer in the picture Riddle below.

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

What do you see in the image below

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

If I put in one bird per cage, I have one bird too many. If I put in two bird per cage, I have one cage too many. How many cages and birds do I have?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

A container contains 100 eggs. They can be either fresh or rotten. What is sure is the fact that there is at least one fresh egg in that container.

If you are asked to pick two eggs randomly from the container, at least one of them will be rotten.

Can you calculate how many eggs in that container are fresh?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

If six children and two dogs were under an umbrella, how come none of them got wet?

John and Jacob are twin brothers. One of them is a liar whereas the other one is a truth-teller.

I called their home number and one of them picked up.
I asked. 'Does John lie?' The person replied with a yes.

Whom did I talk with, John or Jacob?