Replace the question mark with the correct number below.

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

The two towns are exactly 100 km apart. John leaves City A driving at 30 km/hr and Jacob leaves City B half an hour later driving at 60 km/hr. Who will be closer to City A when they meet?

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

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

A worker is to perform work for you for seven straight days. In return for his work, you will pay him 1/7th of a bar of gold per day. The worker requires a daily payment of 1/7th of the bar of gold. What and where are the fewest number of cuts to the bar of gold that will allow you to pay him 1/7th each day?

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

The day after tomorrow will be three days before Tuesday. Can you find out what is today?