Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error?

x = 9.999999...
10x = 99.999999...
10x - x = 90
9x = 90
x = 10

What do you answer even though it never asks you questions?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

Can you find the thief by just looking at the picture below?

What word is identified by the below rebus?

Your Your Your Your Your
Your Your Your Your Your

O_er_t_o_

Complete the missing letters of the given word.

P is the father of Q and S is the son of R. T is the brother of P and has a daughter U. If R is the sister of P, then what is the relation between U, Q and S?

Forwards I am heavy, backward I am not. What am I?

There are two guys standing face to face in a room. On a wall, there is a clock. One of those is a prophet. He tells the other guy that he will be stabbed in the back in five minutes.

Shocked to hear that, the other guy stares at the clock. Just after the five minutes, he is stabbed on the back. Can you tell what happened?