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?

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

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 happened when the wheel was invented?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?