Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

Find three numbers such that When we multiply three numbers, we will get the prime numbers. The difference between the second and the first number is equal to the third and second.

You need to move three matchsticks to form three squares. Can you do it?

I look at you, you look at me, I raise my right, you raise your left. What am I?

All Marigolds are flowers.
Few Flowers are used to make colors.
Therefore, some Marigold are used to make colors.

True Or False?

I have four wings but can't fly.
I express no emotions.
I am found on the exact spot every time you look.
I keep toiling away with a little sound.

Do you know what am I?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

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

Jigsaw captured 100 people and make them stand in a circle and all these people are labelled as Person1, Person2, Person3... Person100. He made them play a crazy game in which Person 1 shot Person 2 and pass the gun to the next person and so on until one stands alive.

Which person will survive in the end?