Find the hidden tiger in the given optical illusion ?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

Can you complete the sequence?

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

Solve the puzzle by telling what does below picture means.

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

O T T F F S S ?

What can go up a chimney down, but can’t go down a chimney up?

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

Can you place three balls such that the equation shown in the picture holds true?

Can you count the number of blocks in the picture below?

You are presented with three boxes. One of them has a red ball inside and the other two have a black ball inside each of them. You are asked to pick up the one with red ball and you pick one. Now, one of the other boxes is opened and it is found to have a black ball.

You are presented with a chance to change your box with the one that is left closed. Will you change your box? Why or why not?