I am five letter word that is under you.
If you remove my 1st letter, then I am over you.
If you remove my 1st and 2nd letters then I am all around you.

Who am I?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

Replace the question mark with the number below given a simple math problem.

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 are presented with three boxes. One of them has a red ball inside and the other two have a black ball inside each of them. You are asked to pick up the one with red ball and you pick one. Now, one of the other boxes is opened and it is found to have a black ball.

You are presented with a chance to change your box with the one that is left closed. Will you change your box? Why or why not?

Prove that twice of ten is the same as twice of eleven.

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

What is the next shape from answers A, B, C, and D figure?

Can you find out the missing number in the grid?