A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

What happened when the wheel was invented?

Can you count the number of triangles in the given figure?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

Manish and Manoj play 5 games of chess.
Both Manish and Manoj win the exact same number of games. There is no tie at all.

How?

Which English verb becomes past tense just by rearranging the letters?

A father's child, a mother's child, yet no one's son.

Who am I?

You visit a home for specially-abled children on the occasion of Christmas where you meet with 50 children. You have a box of chocolates containing 50 chocolates exactly.

What if you were asked to one chocolate to each child in a manner that one chocolate still remains in the box? Is it possible?

There is a number which when you multiply by 3 and subtract 2 from the result, then the resulting number is the reverse of the actual number.

What is the smallest number that stands true on the statement?