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?
What's the next in the series? H, Be, F, S, Mn, Kr, In, Gd, Tl, ?
Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?
How many triangles can you find in this given picture?
Today is John's birthday. A year ago, John had five candles and he lit all the candles except the one at the last. Now he is going to light all the candles. How old is John Today? (He is not five today.....)
If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?
Move four matchsticks to the below square to form three squares?
What is the centre of gravity?
I am a three digit number. My tens digit is five more than my ones digit. My hundreds digit is eight less than my tens digit. What number am I?
In the four images below, can you find the odd one out?
What's the only room from which no one can enter or leave
The inventor of the Rubik’s Cube didn’t realize he’d built a puzzle until he scrambled it the first time and tried to restore it.
