A professor thinks of two consecutive numbers between 1 and 10.
'A' knows the 1st number and 'B' knows the second number

A: I do not know your number.
B: Nor do I know your number.
A: Now I know.

What are the four solutions for this?

Thirty friends were on a hiking trip when they decided to enjoy the bonfire. They assembled for it and agreed to play a game. For that, they divided themselves into five teams with seven members each, forming five rows.

How did they manage to achieve this formation?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

Move four matchsticks to the below square to form three squares?

What is the fastest way to double your money?

What country can make you shiver?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

What question can you never answer yes to?

Sachin bought a car with a strange 5 digit numbered plate.The water image of the number is 78633 more than my car number. All the digits of car number are distinct.

What is the original number on number plate?

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