I am quite hot but become too cold if you remove the first two letters. What am I?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

John has played 50 ODI's and his average is 50. How many runs should he score in his 51st ODI, so that his average score jumps to 51?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

Take away the whole and some still remain. What is it?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

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

How Come ??

I am soft and cuddly that soothe your heart. But, If you pick my last name I am going to tear you all apart. Who am I?

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different.

How do you measure 45 minutes?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?