What number when divided in half becomes zero?

What has a bottom at the top?

What's the only room from which no one can enter or leave

Solve the alphametic puzzle by replacing the alphabet with the number.

S T O R M +
S O L E S
=========
T O W E L
=========

Can you discover the missing number in this series?

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

Why do you find that most of the buildings are deprived of the 13th floor?

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?

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

Why is Saturday stronger than Monday?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?