What can you catch but never throw?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

Which five letter word can be added at the end of below word to form a
valid word?

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A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

There are seven sisters in a house in a village where there is no electricity or any gadget.

Sister-1: Reading Novel
Sister-2: Cooking
Sister-3: Playing Chess
Sister-4: Playing Sudoku
Sister-5: Washing clothes
Sister-6: Gardening

what is Sister-7 doing ?

A man is found dead with a knife in his back When the investigation is done. A chair lays beside him and the forensic team finds moisture around the body.

If he committed suicide, how did he do it?

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?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?