Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

What numbers should go on the bottom line?
3 6 9 15
8 2 10 12
11 8 19 27
19 10 29 39
? ? ? ?

Why Aeroplane windows are round?

What is the next shape from answers A, B, C, and D figure?

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.

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

Find out the number of circles in the given picture having Illusion

I don't get anymore wetter, no matter how much rain falls on me.

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

A rubber ball keeps on bouncing back to 2/3 of the height from which it is dropped. Can you calculate the fraction of its original height that the ball will bounce after it is dropped and it has bounced four times without any hindrance ?