Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

In the four images below, can you find the odd one out?

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

A boy was locked in a room by some robbers. All that is in the room is a piano, a calendar, and a bed. The room is locked from the outside. What does he eat, drink, and how does he escape and get out?

A man hijacks an aeroplane transporting both passengers(8 of them) and valuable cargo. After taking the cargo, the man demands nine parachutes, puts one of them on, and jumps, leaving the other eight behind. Why did he want eight?

Kids with the most attentive eyes can spot a different watermelon in 4 seconds. Can you? Test your eyes now!

You need to remove two matchsticks to make the below equation true. Can you do it ?

What kind of band never plays music?

You have two hour glasses one measures 7 minutes and the other measures 4 minutes.
Using these two-hour glasses, you need to measure exactly 9 minutes.

How come?