Why is a river so rich ?

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

Replace the question mark with the correct number in below Picture:

I have no life, but I can die. What am I?

What has 13 hearts but no other organs?

There are three Athletes (John, Tarun and Harish) and their individual Coaches (Jacob, Meenaxi and Priyanka) standing on the shore.
No Coach trusts their Athlete to be near any other Coach unless they are also with them.
There is a boat that can hold a maximum of two persons.
How can the six people get across the river?

A sundial has the fewest moving parts of any timepiece. Which has the most?

A man is found dead with a knife in his back When the investigation is done. A chair lays beside him and the forensic team finds moisture around the body.

If he committed suicide, how did he do it?

What Time Should the last watch show in the below figure?

How many triangles are there on the puzzle below?