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 does below chemistry rebus means?

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?

A man started to town with a fox, a goose, and a sack of corn. He came to a stream which he had to cross in a tiny boat. He could only take one across at a time. He could not leave the fox alone with the goose or the goose alone with the corn. How did he get them all safely over the stream?

What does this rebus means ?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

I taste better than I can smell. Who am I?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

Take away the whole and some still remain. What is it?

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 ?