What word begins and ends with an E, but has only one letter?

One day, John and his friends were playing around. Jacob hit something with a Pin and it popped. John's dad came into the room that very moment, but he wasn't mad. In fact, he was smiling. What did Jacob hit?

A bag contains 64 balls of eight different colours. There are eight of each colour (including red). What is the least number you would have to pick, without looking, to be sure of selecting 3 red balls?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

What goes up but never comes down?

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

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

In a family supper, a grandfather, a grandmother, two fathers, two mothers, four children, three grandchildren, one brother, two sisters, two sons, two daughters, one daughter-in-law, and one mother-in-law need to sit at a table.

There are only seven chairs available at the place. How many more chairs do they have to borrow so that everyone can sit down together for the suppers if everybody requires a separate chair?

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?