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

What always comes into a house through the keyhole?

The current time can be represented by below textual rebus.

0
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B.Sc
LLB

Can you tell us the current time?

what does the below rebus mean?

I never was there, I am always to be.
You have never ever seen me, not ever you will.
Yet I am the confidence of everyone.

Who Am I?

Find the missing letter in the last circle logically in the given below picture.

What am I?

In a school, there are four subjects. Seventy percent of students study English, seventy five percent of students study Science, eighty five percent of students study Mathematics and eighty percent of students study Spanish.

Can you calculate the percentage of students that study all four subjects?

Can you make the number 24 by utilizing the numbers 1, 3, 4 and 6? You must use one number only one time and you can use mathematical operation symbols anytime anywhere.

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"