There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

I’m tall when I’m young, and I’m short when I’m old. What am I?

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?

You can see it everyday, But cannot touch it at will. What is it?

You have four chains. Each chain has three links in it. Although it is difficult to cut the links, you wish to make a single loop with all 12 links. What is the fewest number of cuts you must make to accomplish this task?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

You’re out on the water and see a boat filled with people. You look away for a second and look back again, but this time you don’t see a single person on the boat. Why? Hint: The boat did not sink.

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

By using 'because' continuously three times, can you make an English statement ?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?