In the sequence 5, 10, 15, 20, 25, 30, how many times does the number 25 occur?

A. 1

What is the result of 7! (7 factorial)?

A. 5040
Posted in:  Numbers -  Arithmetic -  Mathematics

In the sequence 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, how many times does the number 11 appear?

B. 0

Which of the following numbers is a prime number?

B. 29
Posted in:  Numbers -  Arithmetic -  Mathematics

In the sequence 2, 4, 6, 8, 10, 12, how many times does the number 6 occur?

A. 1