Can you solve the maths in the below-given picture equation?

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

No matter how little or how much you use me, you change me every month. What am I?

Name a key which is hardest to turn.

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

How can this be possible?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

On a bus, there is a 26-year-old pregnant lady.
A 30-year-old policeman.
A 52-year-old random woman.
And the 65-year-old driver.

Who is the youngest?

In my garden, I have many trees but only one of them is the mango tree. In these mango trees, there are some mangoes(as expected).

But after a strong wind, there are neither mangoes on the tree nor on the ground. Explain?

What is the below Rebus indicate?

What does a man do only once in his lifetime, but women do once a year after they are 29?