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

What is next number in the pattern below:

131 517 192 123 ?

A horse was tied to a rope 5 meters long and the horses food was 15 meters away from the horse. How did the horse reach the food?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

You and your two friends are working in a multinational company. How can you three find out the average salary of you all without disclosing your own salary to the other two?

During which month do people sleep the least?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?

I have feet, but no legs. Which animal Am I?

Can anyone tell me a word in the English dictionary which has a silent 'z'?