Question 1

What is the sum of first 5 terms of the arithmetic series 3, 7, 11, 15, ...?

Accepted Answer

55

Answer

45

Answer

60

Answer

50

Question 2

What is the sum of first 14 terms of the arithmetic series 1, 4, 7, 10, ...?

Accepted Answer

301

Answer

310

Answer

312

Answer

302

Question 3

What is the sum of first 20 terms of the arithmetic series -1, 1, 3, 5, ...?

Accepted Answer

550

Answer

500

Answer

530

Answer

520

Question 4

What is the sum of the first 5 terms of an arithmetic series with a first term of 2 and a common difference of 3?

Accepted Answer

40

Answer

25

Answer

35

Answer

30

Question 5

What is the sum of the first 10 terms of an arithmetic series with a first term of 5 and a common difference of -2?

Accepted Answer

- 40

Answer

30

Answer

- 30

Answer

40

Question 6

What is the sum of the first 20 terms of an arithmetic series with a first term of 1 and a common difference of 6?

Accepted Answer

1160

Answer

1260

Answer

1360

Answer

1460

Question 7

What is the sum of the first 12 terms of an arithmetic series with a first term of -3 and a common difference of 4?

Accepted Answer

228

Answer

210

Answer

218

Answer

210

Question 8

What is the arithmetic mean of 2, 4, and 6?

Accepted Answer

4

Answer

8

Answer

2

Answer

6

Question 9

What is the arithmetic mean of 12, 15, and 18?

Accepted Answer

15

Answer

12

Answer

21

Answer

18

Question 10

What is the arithmetic mean of 10 and -10?

Accepted Answer

0

Answer

10

Answer

-10

Answer

20

Question 11

Insert 3 arithmetic means between 18 and 30.

Accepted Answer

21,24,27

Answer

24,26,28

Answer

19, 21, 23

Answer

20,22,24

Question 12

Insert 4 arithmetic means between 7 and 37. What s the sum of the 4 terms

Accepted Answer

88

Answer

86

Answer

85

Answer

87

Related quizzes

Related quizzes