Can you solve the maths in the below-given picture equation?

What do you see in the image below

What does this rebus puzzle means ?

Imagine you are in a room with no windows or doors. How will you get out?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

I am an odd number. Take away a letter and I become even. What number am I?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

Consider all the numbers between 1 and 1 million. Among all these numbers, there is something very special about the number 8 and the number 2202. What is it?

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.

John is found dead in his office at his desk. The police have narrowed the suspects down to three people: Mrs. Jacob, John’s wife Hena and his business partner Jason . All three visited John on the day of his murder, but all three provide the police with stories of explanation as to the reason for their visit.
Police found John with his wrist watch still on his right arm, a torn up picture of his wife laying on the floor beside the trash can, and an ink pen in his right hand. On the desk, the police found a name plate, a telephone that was off the hook, and a personal calendar turned to the July 5th page with 7B91011 written on it. After examining this evidence, the police knew their suspect. Who was it ?