Which is heavier: a ton of bricks or a ton of feathers?

Can you find out the remainder when 3^300 is divided by 5?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

Which Travels Faster? Solve below famous picture riddle:

A detective visits his friend John just to discover that John's neighbour Dr Jacob was murdered. Dr Jacob, who is a mathematician wrote the murderer's name in a code word "Hcqtfz". There were five suspects
1. Ajit
2. Pankaj
3. Ganpat
4. Deenu
5. Hariya

The Detective was instantly able to find the murderer.
Can you?

Can you find out the number that should replace the question mark with a valid reason?

Why do Chinese men eat more rice than Japanese men do ?

Where do fish keep their money?

How is a fly different from a mosquito?