What is the next number in this matchsticks series riddle?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

You have a basket containing ten apples. You have ten friends, who each desire an apple. You give each of your friends one apple.
Now all your friends have one apple each, yet there is an apple remaining in the basket.
How?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

When Jack was six years old he hammered a nail into his favourite tree to mark his height. Ten years later at age sixteen, Jack returned to see how much higher the nail was. If the tree grew by five centimetres each year, how much higher would the nail be?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

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

How many letters are in the alphabet?

First, think of the colour of clouds. Next think the colour of snow. Last, think of the colour of the moon. Now, what do cows drink?

The current time can be represented by below textual rebus.

0
=========
B.Sc
LLB

Can you tell us the current time?