Can you find out which number multiplied by itself will give the output as 12345678987654321?

Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months

What kind of band never plays music?

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

If one and a half boys, eat one and a half burgers in one and a half hours.

How many burgers can 9 boys eat in 3 hours?

What is both possible and impossible at the same time?

The more you take me, the more you leave me behind.
Who 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.

By moving just one matchstick, you need to make the below statement true. Can you do it?