Maths for MachinesBack to lessons

Chapter 03 practice bank

100 questions:
Counting

Solve on paper first. Reveal only the final answer when you want to check yourself. There are no worked solutions in this bank by design.

34 easy 33 medium 33 advanced

EasyFactorialspermutations-combinations-001

Evaluate 3!.

EasyFactorialspermutations-combinations-002

Evaluate 4!.

EasyFactorialspermutations-combinations-003

Evaluate 5!.

EasyFactorialspermutations-combinations-004

Evaluate 6!.

EasyFactorialspermutations-combinations-005

Evaluate 7!.

EasyFactorialspermutations-combinations-006

Evaluate 8!.

EasyProduct rulepermutations-combinations-007

A task has two consecutive stages with 3 choices at the first stage and 4 at the second. How many complete outcomes are possible?

EasyProduct rulepermutations-combinations-008

A task has two consecutive stages with 5 choices at the first stage and 3 at the second. How many complete outcomes are possible?

EasyProduct rulepermutations-combinations-009

A task has two consecutive stages with 4 choices at the first stage and 6 at the second. How many complete outcomes are possible?

EasyProduct rulepermutations-combinations-010

A task has two consecutive stages with 7 choices at the first stage and 2 at the second. How many complete outcomes are possible?