# Number Series - Number series MCQ

6:

17,13,11,7,5,?

 A. -1 B. 1 C. 0 D. 2 Answer Report Discuss Option: B Explanation : There are three groups 17 ---13, 11--- 7, and 5----1. Besides every next group start by 2 less than its previous one Click on Discuss to view users comments. lekh said: (4:03pm on Tuesday 30th April 2013) this is prime no. series. ans. is 2 Write your comments here:
7:

9, .....18, 28, 27,21,36,14

 A. 30 B. 35 C. 23 D. 40 Answer Report Discuss Option: B Explanation : There are two series, 9,18,27,36 and 35,28,21,14 Click on Discuss to view users comments. Write your comments here:
8:

4,9,19,39...

 A. 49 B. 79 C. 89 D. 59 Answer Report Discuss Option: B Explanation : The difference is being doubled at every number in every pair Click on Discuss to view users comments. Write your comments here:
9:

0,7,26,63

 A. 124 B. 125 C. 93 D. 103 Answer Report Discuss Option: A Explanation : The rule is (13 - 1), (23 - 1), (33 - 1), (43 - 1) and (53 - 1). Click on Discuss to view users comments. Kanika said: (9:13pm on Thursday 4th April 2013) Please elaborate on this answer sachu k mani said: (2:21pm on Monday 6th May 2013) pls elaborate Write your comments here:
10:

3,2,7,6,11

 A. 13 B. 8 C. 4 D. 10 Answer Report Discuss Option: D Explanation : There are two series 3, 7, 11 and 2, 6, 10 with equal difference of 4 everywhere. Click on Discuss to view users comments. jitendra said: (11:52pm on Wednesday 24th May 2017) ifg there is two terms at least you should add one more nummber series like 3,2,7,6,11first series is fine 3,7,11, but in second series 2 and 6 here at leat add one more term then people can think the logic like 2x3 is also 6 and 2 6 is also 6 Write your comments here:

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