Why is a river so rich ?

Who can jump higher than a Mountain?

Can you find the mistake in the below statement?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

What do you answer even though it never asks you questions?

Two men are in a desert. They both have packs on. One of the guys is dead. The guy alive has his pack open, and the guy who is dead has his pack closed. What is in the pack?

The centre of the third figure is empty. What digit should fit inside?

There are hundred red gems and hundred blue gems. The blue gems are priceless while the red gems equal wastage. You have two sacks one labeled Heads and the other Tails. You have to distribute the gems as you want in the two sacks. Then a coin will be flipped and you will be asked to pick up a gem randomly from the corresponding sacks.

How will you distribute the gems between the sacks so that the odds of picking a Blue gem are maximum?

Can you decipher these quotes by Albert Einstein?
Blf xzm mvevi hloev z kilyovn lm gsv ovevo lm dsrxs rg dzh xivzgvw.

Decode this picture on T-Shirt and tell what it says ?