By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

I am quite hot but become too cold if you remove the first two letters. What am I?

You are playing a game with your friend Jack. There are digits from 1 to 9. You both will take turn erasing one digit and adding it to your score. The first one to score 15 points will win the game.

Would you want to play first or second?

PS: The sum should be exactly 15.

Which number should replace the question mark?

I shave every day, but my beard stays the same. What am I?

One day, John and his friends were playing around. Jacob hit something with a Pin and it popped. John's dad came into the room that very moment, but he wasn't mad. In fact, he was smiling. What did Jacob hit?

What do you think with the below Picture ?

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?