John was piloting a plane behind a car but was never able to overtake it. Why?

I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?

A girl says this to her best friend: “I was born in 1955, and I celebrated my 17th birthday last weekend.” Her best friend thinks she’s lying, but she’s actually correct. How is that possible?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

Can you replace the question mark with the correct number?

Count the number of triangles in the below picture?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

The barber of Town shaves all men living in the town. No man living in the town is allowed to shave himself. The barber lives in that town. Who then shaves the barber of the town?

John was driving a bus and got stuck when passing through an underpass. Then came Jacob with a needle and got the bus out of the underpass.

What did the boy do?

I am quite hot but become too cold if you remove the first two letters. What am I?