They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

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?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

Which wheel of car does not rotate when you turn your car right?

There are three houses in a straight row. One is red, one is blue, and one is white. The red house is left of the middle. The blue house is right of the middle. Where's the white house?

We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?

What does this simple rebus mean?

What kind of band never plays music?

How can you take 2 from 5 and leave 4?