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

In a science lab, a petri dish hosts a healthy colony of yeast for an experiment. Now every minute, all the yeast cells divide into two. At noon, there was just a single cell of yeast and at 1:22, the Petri dish was half full. Can you calculate when the dish will be full of yeast?

What type of tree can I carry in my hand?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

What is the fastest way to double your money?

What goes through cities and fields, but never moves?

Jenifer is learning to drive her car. She went down a one way lane and in the wrong direction. But she do not break any law.

How come ?

What does below Rebus say?

XLR8

How can you tell a raw egg from a hard-boiled egg?

Can you spot the hidden girl in the picture below?