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?

Forwards I am heavy, backward I am not. What am I?

It belongs to you, but other people use it more than you do. What is it?

Why is the Hole below a Lock?

What is the word or phrase?

When it's bad luck to meet a black cat?

Find a 9-digit number, which you will gradually round off starting with units, then tenth, hundred etc., until you get to the last numeral, which you do not round off. The rounding alternates (up, down, up ...). After rounding off 8 times, the final number is 500000000. The original number is commensurable by 6 and 7, all the numbers from 1 to 9 are used, and after rounding four times the sum of the not rounded numerals equals 24.

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

John has played 50 ODI's and his average is 50. How many runs should he score in his 51st ODI, so that his average score jumps to 51?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?