Living above a star, I do not burn
Eleven friends and they do not turn
I can just be visited in a sequence, not once or repeatedly
PQRS are my initials
Can you tell my name accurately?

Which tank will fill first?

See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

How many times can you subtract the number two from the number fifty?

John, a 5-year-old boy, was really fond of the chocolates. He asked his Mother to give him some money to buy his favourite chocolates. His Mother gave him $45. He went to the shopkeeper and asked, "How much is one chocolate for?". The shopkeeper said $3 for one chocolate. Also, if you give me the wrappers of three chocolates, I will give you one for the exchange.
In total, how much chocolate could John eat?

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?

If a wheel has 54 spokes, how many spaces are there between the spokes?

Prove that twice of ten is the same as twice of eleven.

Can you solve the maths in the below-given picture equation?

What runs around the whole yard without moving?