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?

What is common among 11, 69, and 88?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

It can't be seen, can't be felt, can't be heard, and can't be smelt.
It lies behind stars and under hills, And empty holes it fills.
It comes first and follows after, Ends life, and kills laughter.
What is it?

In the image given, you can find several triangles. Can you count them all?

What has one letter and starts with an E?

What building has the most stories?

A mad serial killer kidnaps people and forces them to play the game of 2 pills with them, In this game, there are pills in the table and one of them is normal pill while the other one is deadly poisonous.
The victim will choose one pill and the killer will pick the other pill and both simultaneously will swallow the pill with water.
victim dies every time.

One day the serial killer kidnaps the Joseph and forces him to play the same game with him.

Joseph solves the mystery of the two pills and remains alive.

Explain?

Prove that twice of ten is the same as twice of eleven.

I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less than my tens digit.
What number am I?