What is always in front of you but can’t be seen?

An artist while painting a scenic beauty, decides to paint three layers of blue colour on the sky.

Which layer will go on the first?

What makes this number unique: 8,549,176,320?

what does this picture(rebus) riddle means ?

This is a simple one. You just have to count the number of Fs in the given sentence.

Finished Files are the result of years of scientific study combined with the experience of years.

How many did you count?

A bridge is about to collapse. There are four people P, Q, R and S on one of the sides. Before the bridge collapses, they want to cross it. Now since the bridge is too weak, it can only stand the weight of two people at a time. Also, it is night time and nothing is visible. They have just one torch with them.

Now P takes one minute to cross the bridge, Q takes two minutes to cross, R takes five minutes to cross and S takes ten minutes to cross.

The bridge will collapse in seventeen minutes. How will they be able to cross the bridge before it collapses?

what's the probability of getting a king or a queen from a pack of 52 cards?

What does the below image rebus riddle means ?

What is the centre of gravity?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?