I’m tall when I’m young, and I’m short when I’m old. What am I?

What number when divided in half becomes zero?

Which alphabet letter is a question?

A man wants to cross the pit of fire which is 25 feet in length and he has 2 planks(fire resistant) 19 feet in length. How can he cross the pit of fire alive?

Replace the question mark with the correct number in below Picture:

Dwayne Johnson was running away with the loot from a heist in his car along with Vin Diesel. One tire was punctured and he dropped down to replace it. While changing the wheel, he dropped the four nuts that were holding the wheel and they fell into a drain. Vin Diesel gave him an idea using which they were able to drive till the rendezvous point.

What was the idea ?

An equation has been laid down using a few matchsticks. However, as you can see, the equation is not correct. Can you correct the equation if you are allowed to add or remove 5 matchsticks?

What four weights can be used to balance from 1 to 30 pounds?

A father's child, a mother's child, yet no one's son.

Who am I?

Can you count the number of blocks in the picture below?