What month of the year has 28 days?

Who is that with a neck and no head, two arms and no hands? What is it?

Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L.

Can you find an "ology" that begins with a P?

When is the top of a mountain similar to a savings account?

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.

What makes this number unique: 8,549,176,320?

Buy me, smell me or deliver me, I do not change.

Who am I?

I am a five-letter word under you,
Remove the first letter and I am above you,
Remove the second as well and I am around you.

Who am I?

There is a place where if I stand up straight, I will still be considered sideways.

Find the number of squares in the below picture