Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

You are in a room with no metal objects except for two iron rods. Only one of them is a magnet.
How can you identify which one is a magnet?

Suppose you are sitting in an interview and the interviewee asks you an aptitude question.

You have three buckets with a capacity of 4 litres, 8 litres and 10 litres and you have a large tank of water. Now you have to measure 3 litres of water precisely using those buckets. How will you do it?

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

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?

What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?

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

Who are the happiest people in IPL match?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes