Count the number of triangles in the below picture?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

Solve the following series:
AZ, GT, MN, __, YB

You were playing ping pong with your friend. Suddenly the ball fell into a narrow metal pipe that was imbedded in the concrete surface of the floor one foot deep. Now you don't have any other ball and you desperately want to take it out and play. You and your friend have your shoelaces, your tennis paddle and a plastic water bottle. However, the bottle cannot fit into the pipe.

How will you take the ball out?

Which alphabet letter is a question?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

We are a group of eight brothers. We consider the weak, yet we protect the king in every battle. If we move ahead, we never turn back. Who are we?

Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

Can you count the number of squares in the figure below?

Rectify the following equality 101 - 102 = 1 by moving just one digit.