One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

What does below chemistry rebus means?

Can you divide the below-given shape into four equal and identical pieces?

Can you find out the missing number in the grid?

In Greek mythology, the Sphinx sat outside of Thebes and asked this riddle of all travellers who passed by. If the traveller failed to solve the riddle, then the Sphinx killed him/her. And if the traveller answered the riddle correctly, then the Sphinx would destroy herself. The riddle:

What goes on four legs in the morning, on two legs at noon, and on three legs in the evening?

Oedipus solved the riddle, and the Sphinx destroyed herself.

What is the next number?

77, 49, 36, 18 ?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

You are given four tennis balls and asked to arrange those balls in a manner that the distance between each one of them is exactly equal. How will you do it?