Why do we preferably have round manhole covers and not square ones?

Can you count the number of lines in the below picture?

Find the next number in the following series:
6, 14, 26, 98, __?

To tease, King Akbar told his most clever advisor Birbal to give his daughter one thing that she can eat when hungry, drink if she feels thirsty and can burn if she feels cold. King Akbar was shocked when Birbal gave Akbar's daughter one such thing that satisfies all of the above.

What did Birbal give to Akbar's daughter?

Which is the smallest number that you can write using all the vowels exactly once?

Doctor Alex and a bus driver John are both in love with the same woman named Olivia. The bus driver need to go for a long trip of 10 days, Before he left he gave Olivia 10 apples.

You are driving down the road in your car on a wild, stormy night, when you pass by a bus stop and you see three people waiting for the bus

An old lady looks as if she is about to die.
An old friend who once saved your life.
The perfect partner you have been dreaming about.
Knowing that there can only be one passenger in your car, whom would you choose?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

Solve this riddle by finding the odd one out from the rest.

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?