Replace the question mark with the number below given a simple math problem.

John was driving a bus and got stuck when passing through an underpass. Then came Jacob with a needle and got the bus out of the underpass.

What did the boy do?

What is wrong in the below Picture?

You need to arrange three 7 and mathematical symbols to form number 1?

In the following picture, E is going to slide the object down and as per the terrain and the physics, the round object is going to travel all the way till the end. Now, can you analyze who all people will die when it happens?

What is so fragile that saying its name breaks it?

What can you catch but never throw?

What English word has three consecutive double letters?

What seven-letter word has hundreds of letters in it?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?