No one wants to have it, but if one got it, he does not want to lose it. What is It?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

What word is pronounced the same if you take away four of its five letters?

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

When it's bad luck to meet a black cat?

why number 8549176320 is one of a kind?

There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?

Andrew sees a very rare bird named "Ruppell's vulture". Soon Andrew was dead. Can you explain the mystery, Mr. Sherlock?

Can you discover the missing number in this series?

37, 10, 82
29, 11, 47
96, 15, 87
42, ?, 15

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?