Which is faster, Heat or Cold ? Explain.

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

A chicken farmer has figured out that a hen and a half can lay an egg and a half in a day and a half. How many hens does the farmer need to produce one dozen eggs in six days?

Why do you find that most of the buildings are deprived of the 13th floor?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

Aman has 1.15 rupees in his pocket. There are a total of 6 coins in his pocket.

When his friend asked him for a change, he could not give change for a rupee and five paisa.

Can you tell which coins he has?

What am I?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

Can you discover the missing number in this series?

37, 10, 82
29, 11, 47
96, 15, 87
42, ?, 15

Can you calculate the probability of getting a sum of six when a dice is thrown twice?