Which alphabet letter is a question?

You want to boil a two-minute egg. If you only have a three-minute timer (hourglass), a four-minute timer and a five-minute timer, how can you boil the egg for only two minutes?

An artist while painting a scenic beauty, decides to paint three layers of blue colour on the sky.

Which layer will go on the first?

What has one eye, but can’t see?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

If you say my name, I will no longer exist. What am I?

what one word does the below rebus identifies?

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?

Can you find the largest Three-digit number whose sum is 14 and whose square is less than 5,00,000?

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?