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 has a bottom at the top?

Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

What is the fastest way to double your money?

Why do we preferably have round manhole covers and not square ones?

He runs but never walks. Murmurs, but never talks. Has a bed, but never sleeps. And has a mouth, but never eats?

Look at the picture and find out which square is not linked with any of the other squares.

A cricket has 6 legs, a squirrel has 4 legs and a spider has 8 legs.

In a local zoo, it was found that the total number of legs is 612. Also, there are equal number of each of the above animals/insects.

Can you find out how many animals are there in the zoo?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?