If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

The doctor prescribed you to take one pill from the bottle every half an hour. The bottle is now left with only three pills.

How long do you think you have before you run out of pills?

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

Suppose you are a girl candidate and sitting in an interview. Suddenly the interviewer asks you, 'What if one morning you wake up and find out that you are pregnant?

How will you reply to such a question?

Find the last number in the series below:

voN luJ yaM raM ---

Remove two matchsticks to make the below equation correct.

John and Jill are madly in love with each other. To remind Jill of his pure love, John wants to send her a ring by post but in their country where burglary is quite prominent, any package that is not locked comes under the risk of being stolen for the contents.

John and Jill possess many padlocks but neither one of them has the other key.

Can you find a way John can send the ring to Jill safely?

On a bus, there is a 26-year-old pregnant lady.
A 30-year-old policeman.
A 52-year-old random woman.
And the 65-year-old driver.

Who is the youngest?

If an electric train is travelling south, then which way is the smoke going?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?