How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

What is at the end of a rainbow?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

In a guessing game, five friends had to guess the exact numbers of apples in a covered basket.
Friends guessed 22, 24, 29, 33, and 38, but none of the guesses was correct. The guesses were off by 1, 8, 6, 3, and 8 (in random order).

Can you determine the number of apples in a basket from this information?

Christina is older than Kareena and Karishma. Katrina is older than Karishma and younger than Kareena. If Kareena has a brother named John, who is older than Christina, who's the youngest?

Find the mistake in the below maths equations

A = 2
A(A-1) = 2(A-1)
A2-A = 2A-2
A2-2A = A-2
A(A-2) = A-2
A = 1

I know a 5-digit number having a property that With a 1 after it, it is three times as large as it would be with a one before it.

Guess the number?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

What kind of tree can you carry in your hand?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?