The doctor prescribed you to take one pill from the bottle every half an hour. The bottle is now left with only three pills.

How long do you think you have before you run out of pills?

When monkey rotate the gear, which mark will be hit 1 or 2 ?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

What question can you never answer yes to?

In front of you, there are 9 coins. They all look absolutely identical, but one of the coins is fake. However, you know that the fake coin is lighter than the rest, and in front of you is a balance scale. What is the least number of weightings you can use to find the counterfeit coin?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

Can you divide the below-given shape into four equal and identical pieces?

Solve the following series:
AZ, GT, MN, __, YB

To attend world science seminar, A famous chemist from Mexico visit
London. In the lab, the scientist was killed and his six assistants were under suspicion of killing the chemist.
Name of six assistants: Austin, Wayne, Dege, Oscaru, Lingard, and Rojo.
He left a note "76-20-44 79-16-22-7"

A local detective Jack was called to solve the case,

After reading the note, Jack instantly asked the police to arrest the murderers.

Who are the murderers?