Replace the question mark with the correct number below.

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

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?

There are three boxes on a table. One of the box contains Gold and the other two are empty. A printed message contains in each box. One of the message is true and the other two are lies.

The first box says "The Gold is not here".

The Second box says "The Gold is not here".

The Third box says "The Gold is in the Second box".

Which box has the Gold?

In my garden, I have many trees but only one of them is the mango tree. In these mango trees, there are some mangoes(as expected).

But after a strong wind, there are neither mangoes on the tree nor on the ground. Explain?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

what's the probability of getting a king or a queen from a pack of 52 cards?

Only one color, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

What two things can you never eat for breakfast?