What has no start, end, or centre?

A train leaves from point A for point B at 80 mph. After half an hour, another train leaves from point B for point A at 60 mph.

Which of the trains will be farther from point A when they meet ?

A doctor and a boy were fishing. The boy was the doctor’s son, but the doctor was not the boy’s father. Who was the doctor?

Using mathematical symbols like +, -, and x in order to make the equations correct. Replace # with the above-given symbols.

9 # 8 # 7 # 6 # 5 # 4 = 91

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?

Can you find a rabbit in the given picture?

What kind of band never plays music?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

I add 5 to 9 and get 2. The answer is correct, so what am I?