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

Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

There is a unique number which when multiplied by any number from 1 to 6, we will get the new number that contains the same digits only.

Can you find that number?

We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

Jim and Sarah are in a long-distance relationship. Jim buys an engagement ring for Sarah and wants to mail it to her. Unfortunately, the only way to ensure the ring will be received is to place a lock on the package. Jim has locks and Sarah has locks, but neither has keys for each other’s locks. How can they make sure the ring isn’t stolen?

What demands an answer, but asks no questions