Solution:

It caused a revolution.

Solution:

Slumdog Millionare = Slum + Dog + Million + air

Solution:

457730 * 4 = 1830920
(DOLLAR * 4 = QUARTER)

Solution:

Here is a way to do it. We dont know if it can be done using some other arrangement or not. If you know, do send us.

4 | 3 | 8
9 | 5 | 1
2 | 7 | 6

Solution:

On the back, since bullet train is accelerating, therefore,the person at the back will spend less time than one in front.

Solution:

-3 -1 1

Explanation:
-3 * 1 * -1 = 3(prime)
-1 - (-3) = 1 -(-1) = 2

Solution:

Since the door is not visible in this picture, the bus is moving in the left direction.

Solution:

They use the bricks and dirt from the tunnel to stand on it.

Solution:

Birbal drew another line that was larger than the pre-drawn line. Now the pre drawn line was smaller.

Solution:

The woman told him to take out one nut each from the rest of the wheels and use them.

Solution:

step 3 is wrong