Series Test Online Quiz


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Following quiz provides Multiple Choice Questions (MCQs) related to Series Test. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.

Questions and Answers

Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

Q 1 - 21, 24, 30, 39, 51, _

Options :

A - 56

B - 66

C - 76

D - 78

Answer : B

Explanation

The addition sequence is +3, +6, +9…. So 51 + 15 = 66.

Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

Q 2 - 235, 225, 215, 205, 195, _

Options :

A - 188

B - 185

C - 186

D - 189

Answer : B

Explanation

Each number is subtracted by 10 hence the final answer is option B.

Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

Q 3 - 7, 14, 42, 84, 252, _

Options :

A - 510

B - 410

C - 504

D - 506

Answer : C

Explanation

Each number here is multiplied and the multiplication sequence is x2, x3, x2, and x3 so 252 x 2 = 504.

Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

Q 4 - -2, -5, -8, -11, -14, -17, -20, _

Options :

A - -23

B - -22

C - -24

D - -20

Answer : A

Explanation

Each number is subtracted by 3. Hence -20 - 3 = -23.

Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

Q 5 - 31, 15, 21, 50, _767.25

Options :

A - 160.5

B - 171.5

C - 156.5

D - 122.5

Answer : B

Explanation

The series is x0.5 - 0.5, x1.5 - 1.5, x2.5 - 2.5…… so 171.5 will come in after 50.

Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

Q 6 - 6.2, 12.4, 18.6, 24.8, 31, _

Options :

A - 37.2

B - 34.7

C - 36.9

D - 39.0

Answer : A

Explanation

Each number is added with 6.2. So 31 + 6.2 = 37.2.

Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

Q 7 - 12.3, 15.2, 18.1, 21, 23.9, _

Options :

A - 26

B - 26.7

C - 26.8

D - 27

Answer : C

Explanation

Each number is added with 2.9, so 23.9 + 2.9 = 26.8.

Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

Q 8 - 892, 807, 722, 637, 552, 467, _

Options :

A - 383

B - 382

C - 381

D - 388

Answer : B

Explanation

Each number in the series is subtracted by 85. So option B is the correct answer.

Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

Q 9 - 487, 812, 1137, 1462, 1787, _

Options :

A - 2110

B - 2112

C - 2113

D - 2115

Answer : B

Explanation

Each number is added with 325 so option B is the correct answer.

Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

Q 10 - 3108, 3104, 3096, 3084, 3068, _

Options :

A - 3050

B - 3056

C - 3078

D - 3055

Answer : A

Explanation

The subtraction sequence is -4, -8, -12, -16, and -18. So the final answer is 3050.

reasoning_series.htm
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