In the four images below, can you find the odd one out?

What has one eye, but can’t see?

Can you find out the next digit in the following series ?

0, 0, 1, 3, 2, 6, 3, 9, 4, 12, 5, ?

When it is alive we sing, when it is dead we clap our hands. What is it?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

This is a famous paradox which has caused a great deal of argument and disbelief from many who cannot accept the correct answer. Four balls are placed in a hat. One is white, one is blue and the other two are red. The bag is shaken and someone draws two balls from the hat. He looks at the two balls and announces that at least one of them is red. What are the chances that the other ball he has drawn out is also red?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

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?

A man wants to cross the pit of fire which is 25 feet in length and he has 2 planks(fire resistant) 19 feet in length. How can he cross the pit of fire alive?

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