Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

What kind of band never plays music?

Which alphabet is a part of our body?

If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following:

21 Q 7 R 9 S 10 P 13

You have a basket containing ten apples. You have ten friends, who each desire an apple. You give each of your friends one apple.
Now all your friends have one apple each, yet there is an apple remaining in the basket.
How?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

what does the below math rebus puzzle mean?

You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

Two men are in a desert. They both have packs on. One of the guys is dead. The guy alive has his pack open, and the guy who is dead has his pack closed. What is in the pack?