What will you call your mother's brother's brother-in-law?

While preparing the table for dinner, wife came up with an idea to tease his mathematician husband. She asked her husband to pick nine toothpicks and make ten without breaking any toothpick.

The husband was also smart and did it within seconds. How ?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

What has no start, end, or centre?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

What 5-letter word typed in all capital letters can be read the same upside down?

What is harder to catch the faster you run?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

Trying to tease Birbal, Akbar gave him one gold coin and ask him to buy
* something for him to eat
* something for him to drink.
* something to feed the cows
* something to plant in the garden
and most important you need to buy only one thing.

What must Birbal buy to silence Akbar?

What has one eye, but can’t see?