What number do you get when you multiply all of the numbers on a telephone's number pad?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

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

Count the squares in the matchstick puzzle below?

Which number comes next in the number series?

2, 9, 30, 93, ?

John was going on a jungle trip. He asked his wife to pack something to eat, something to drink and something to burn if he feels cold in the jungle. When John opens the backpack he found just one thing in the bag. What was it?

One day, I thought of ways that can be used for creating a palindrome. So I decided that I will turn into a larger number by adding the reversed digits to the original number and keep doing it till I finally obtained a palindrome.

I am not sure if this process will always result in a palindrome eventually but I was able to produce a four-digit palindrome. Can you guess my starting number?

Suppose that you are trapped on the surface of a frozen lake. The surface is so smooth and ideal that there is no friction at all. You cant make any grip on the ice and no wind is blowing to help you out. You have just a mobile phone with you which has got no reception disabling you to call for help.

How will you plan your escape before you freeze to death on the frozen lake?

Before Mount Everest was discovered, what was the highest mountain in the world?

Can you identify if it's a murder or a suicide ?