Can you replace the question mark with the correct number in the below table sequence?

Three fair coins are tossed in the air and they land with heads up. Can you calculate the chances that when they are tossed again, two coins will again land with heads up?

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

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

The below mentioned letters have been placed in a order using a logic.

DEAD, BALL, FEAR, SHOP

Can you find the logic?

What word is pronounced the same if you take away four of its five letters?

Can you make a fire with just a single stick?

Find the missing number in the image below.

What question can you never answer yes to?