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

A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

You can see three almost identical images below. Can you spot the odd one out from them?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

Who has married many women but was never married?

Replace the question mark with the number below given a simple math problem.

Can you name four days which start with the letter 'T'?

First, think of the colour of clouds. Next think the colour of snow. Last, think of the colour of the moon. Now, what do cows drink?