Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

In a science lab, a petri dish hosts a healthy colony of yeast for an experiment. Now every minute, all the yeast cells divide into two. At noon, there was just a single cell of yeast and at 1:22, the Petri dish was half full. Can you calculate when the dish will be full of yeast?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

Christina, Allison and Lena are 3 daughters of John a well-known Mathematician, When I asked John the age of their daughters. He replied "The current age of her daughters is prime. Also, the difference between their ages is also prime."

How old are the daughters?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

What number do you get when you multiply all of the numbers on a telephone's number pad?

In a stable, there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable

There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?