I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

I am eight letters long - "12345678"
My 1234 is an atmospheric condition.
My 34567 supports a plant.
My 4567 is too appropriate.
My 45 is a friendly thank-you.
My 678 is a man's name.

What word am I?

Your job is to measure 45 minutes if you have only two cords and matches to light the cords.

1. The two cords are twisted from various materials, so their different segments can burn at different rates.
2. Each cord burns from end to end in exactly one hour.

Describe your way of measuring the 45 minutes.

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

What's a single-digit number with no value?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

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

Why do we preferably have round manhole covers and not square ones?

A new clothing store has a unique method of pricing items. A vest costs $20, a tie costs $15, a blouse costs $30, and underwear costs $45. How much would pants cost?