G10 MATH WRITTEN WORK Q1

Which of the following is not an arithmetic sequence ?

• 5, 10, 15, 20, …

• 3, 7, 11, 15, 19, …

• 1000, 100, 10, 1, …

• 89, 86, 83, 80, …

Which of the following is the first 3 terms of the sequence whose equation is an = n(n + 1)² ?

• 2, 8, 24, …

• 1, 8, 32, …

• 3, 18, 64, …

• 4, 18, 48, …

Which of the following is the common difference of the arithmetic sequence 7, 9, 11, 13, …?

• 2

• 3

• 4

• 5

Find the 30th term of the arithmetic sequence 7, 10, 13, 16, . . .?

• 91

• 94

• 97

• 100

What are the three arithmetic means between the terms 18 and 2?

• 15, 12, 9

• 16, 11, 6

• 13, 10, 7

• 14, 10, 6

Which term of the arithmetic sequence 4,1,-2,-5,...... is -29?

• 9th term

• 10th term

• 11th term

• 12th term

If three arithmetic means are inserted between 11 and 39, find the second arithmetic mean.

• 18

• 25

• 32

• 46

What is the next term in the arithmetic sequence 5, 8, 11, 14,_____?

• 15

• 16

• 17

• 18

What is the 3rd term of the arithmetic sequence whose 1st term is -7 and the common difference is 5?

• 2

• 3

• 4

• 5

Which of the following is an example of arithmetic sequence?

• -12, -5, 2, 9

• 3, 6, 9, 11

• 8, 12, 16, 24

• 5, 10, 20, 40