If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

What has one eye, but can’t see?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

Imagine you are in a room with no windows or doors. How will you get out?

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

The following four words might seem abrupt to you. But you can make them meaningful by just adding vowels.
RDSH
GGPLNT
TMT
NN

Hint: All of them are vegetables.

What do you answer even though it never asks you questions?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

Can you name four days which start with the letter 'T'?