John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?

What does this below rebus puzzle mean?

In a supermarket, there is an intelligent glass pane before a refrigerating unit. This glass pane allows cherries and apples through it but does not allow grapes and Orange to pass through it.

Can you identify the rule that the glass pane is following?

How can you make number one disappear by adding something to it?

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

How can you leave a room with two legs and return with six legs?

You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?