What's the next in the series? H, Be, F, S, Mn, Kr, In, Gd, Tl, ?
What is the difference between a jeweller and a jailer?
If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?
Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?
Solve the puzzle by telling what does below picture means.
By moving just one matchstick, you need to make the below statement true. Can you do it?
I throw two dice simultaneously. What is the probability of getting a sum as 9 of the two numbers shown?
How can you make number one disappear by adding something to it?
Can you find the next number in the below sequence 3 , 7 , 10 , 11 , 12 , 17 ?
What is the end of everything?
No one wants to have it, but if one got it, he does not want to lose it. What is It?
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.