Replace the question mark with the correct number in below Picture:

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

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

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

Rumel, A detective who was mere days from cracking an international smuggling ring has suddenly gone missing. While inspecting his last-known location, you find a note:

710 57735 34 5508 51 7718

Currently, there are 3 suspects: Bill, John, and Todd. Can you break the detective's code and find the criminal's name?

You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

What does this Rebus Picture mean?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?