Can you solve below mathematical equation?

2^1234 - 2^1233

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

Solve below popular number sequence
314 159 265 358 979 323 846 ?

You have a square. What you have to do is cut and reassemble the square such that you create a Red Cross sign that has the same volume as that of the square.

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

What is the next number in this matchsticks series riddle?

Can you find out the total number of triangles in the given figure?

What is next number in the pattern below:

131 517 192 123 ?

How can you throw a ball as hard as you can and have it come back to you even if it doesn't hit anything there is nothing attached to it and no one else catches or throws it.

Assume there are approximately 5,000,000,000 (5 billion) people on Earth. What would you estimate to be the result, if you multiply together the number of fingers on every person's left hand? (For the purposes of this exercise, thumbs count as fingers, for five fingers per hand.) If you cannot estimate the number then try to guess how long the number would be.