Why is a river so rich ?

You have a 12 liters jug full of water. You have two empty 8 liters and 5 liters jug. How can you divide the water into two equal parts using these jugs?

Tell me the Hindi name of a Vegetable which if we remove 1st word will become a precious Stone and by removing the last word it will become a sweet eatable.

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

Can you place six X (crosses) in below board without making three in a row in any way ?

P is the father of Q and S is the son of R. T is the brother of P and has a daughter U. If R is the sister of P, then what is the relation between U, Q and S?

A man is trapped in a room. The room has only two possible exits doors. Through the first door there is a room constructed from magnifying glass. The blazing hot sun instantly fries anything or anyone that enters. Through the second door there is a fire-breathing dragon. How does the man escape?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

What jumps when it walks and sits when it stands?

what does this below rebus represent identXQQQQQME