What does the below image rebus riddle means ?

A boy purchased a book from a bookkeeper and gave him $100.
The cost of the book is $50 but the bookkeeper has no change, so he gets the change from the next shop and returns the boy his $50.

After some time the next shopkeeper came with the $100 note and told the bookkeeper that the note was a fraud, so he took the money back.

How much loss did the bookkeeper face?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

What is the coolest letter in the alphabet?

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

If two's company, and three's a crowd, then whats four and five ?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

Can you write down eight eights so that they add up to one thousand?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145