Which is faster, Heat or Cold ? Explain.

Three brothers Jacob, John, and James live in Mexico City. The product of the ages of these brothers is 175. Jacob and John are twins. How old is James?

What is greater than gold but cannot be bought. it can never be sold and can earn if its sought. though it can be broken, it can still be fixed. for by birth it can't start nor by death it is ended.what am i?

Solve the equation in the image by looking at the pattern closely.

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?

What country can make you shiver?

He does not have any heart but still, He manages to live.
If you kill him, you will eventually die but yet you kill him.
He cannot run, who is He?

John was piloting a plane behind a car but was never able to overtake it. Why?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?