Find the missing number in the sequence below:

How many bananas can you eat if your stomach is empty?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

Bay of Bengal is in which state?

Find the missing number in the series below

13 -21 34 -55 ? -144

Can you identify the hidden rebus in the image below?

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

One night, Louis and Adam were sitting together. Adam was watching a movie while his wife Louis was reading a mystery book. Suddenly the power went out and Adam decided to go to bed, but strangely Louis kept on reading. There was no artificial light around, so Louis kept on reading. How come?

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

I am a prime number.
The double of myself is equal to the square of me.

which number am I?