What does this mathematical rebus means ?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

A Shopkeeper sold a few chickens to four different customers on a particular day. It was such that each customer purchased half of the remaining chickens and half the chicken more.

Can you find out how many chicken were sold by the shopkeeper on that day if we tell you that the fourth customer bought a single chicken ?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

You need to arrange three 7 and mathematical symbols to form number 1?

James ordered a fishing rod, priced at $3.56. Unfortunately, James is an Eskimo who lives in a very remote part of Greenland and the import rules forbid any package longer than 4 feet to be imported. The fishing rod was 4 feet and 1 inch, just a little too long, so how can the fishing rod be mailed to James without breaking the rules? Ideally James would like the fishing rod to arrive in one piece!

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

All of Jacob's shoes are red except two.
All of Jacob's shoes are green except two.
All of Jacob's shoes are yellow except two.

How many shoes does Jacob have?

How do you go from 98 to 720 using just one letter?