I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

I am white when I am dirty, and black when I am clean. What am I?

Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

In the given picture, in how many ways can you read the word "Tiger"?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

Rumel, A detective who was mere days from cracking an international smuggling ring has suddenly gone missing. While inspecting his last-known location, you find a note:

710 57735 34 5508 51 7718

Currently, there are 3 suspects: Bill, John, and Todd. Can you break the detective's code and find the criminal's name?

You have three orange, two pink and five purple balls in the drawer beside your bed. There is no electricity and the room is entirely dark. How many balls must you take out to ensure at least one ball of each colour at least?