There are 8 children in a classroom and 10 benches for them to sit. The class teacher makes them sit at a different place every month. In how many ways can she make them sit in the classroom?

How many even five digit whole numbers are there?

In how many ways can Richard select 1 novel and 1 subject book to buy from a book fair, if there are 100 novels and 250 subject books at the fair?

 Simon visits his local fast-food restaurant and orders a burger, a side, a drink and an ice cream. He can choose either a hamburger, a cheeseburger or an eggburger; he can choose either fries or salad as a side; he can choose one drink from cola, lemonade, orange or raspberry; and for his ice cream he can choose either a cone or a sundae.

How many different possible meals could Simon choose?

How many positive divisors do $1000=2^35^3$  have?

In how many ways can Tifanny style herself, if she has 12 dresses and 10 pairs of shoes (assuming that she selects 1 dress and 1 pair of shoes) ?

There are 6 children in a classroom and 6 benches for them to sit. The class teacher makes them sit at a different place every month. In how many ways can she make them sit in the classroom?

How many odd numbers are there greater than 1,000 but less than 100,000?

 In how many ways can Richard select 1 novel and 1 subject book to buy from a book fair, if there are 110 novels and 250 subject books at the fair?

Jenny has nine different skirts, seven different tops, ten different pairs of shoes, two different necklaces and five different bracelets.

Choosing one of each item, in how many ways can Jenny dress up?