Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

There is a square piece of paper with a hole that is denoted by the circle on the top right side in the given picture. You have to cut the paper in a manner that it forms two and only two separate pieces of paper and then rearrange the pieces in a manner that the holes come in the centre of the paper.

Which word does the below Plexor means ?

Find the value of "?" in the ball picture Riddle below:

what does the below math rebus puzzle mean?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?