Why are all black people so quick ?

Prove that twice of ten is the same as twice of eleven.

You bought me for dinner but never eat me. What am I?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

Two-person want to cross a river. Only one boat is present on the riverside that can carry only one person at a time.

However, they still manage to cross the river. How is it possible?

What kind of tree can you carry in your hand?

When can we add 2 to 11 and get 1 as the correct answer?

An artist while painting a scenic beauty, decides to paint three layers of blue colour on the sky.

Which layer will go on the first?

What is the coolest letter in the alphabet?

For this puzzle, you might have to find logic in something illogical. But hey, it's fun and a healthy little break from your strenuous puzzle-solving sessions.

Can you decipher the meaning in the following cluster of letters?

ITIT,NCENTCENT