How many times in a given day, minutes and hour clock comes in a straight line ?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

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

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

You are presented with three boxes. One of them has a red ball inside and the other two have a black ball inside each of them. You are asked to pick up the one with red ball and you pick one. Now, one of the other boxes is opened and it is found to have a black ball.

You are presented with a chance to change your box with the one that is left closed. Will you change your box? Why or why not?

You are given 2 eggs.
You have access to a 100-storey building.
Eggs can be very hard or very fragile means it may break if dropped from the first floor or may not even break if dropped from 100th floor, Both eggs are identical.
You need to figure out the highest floor of a 100-storey building an egg can be dropped without breaking.
Now the question is how many drops you need to make. You are allowed to break 2 eggs in the process

Can you guess the name of the month by looking the below rebus ?

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?