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# Number Series - Number series MCQ

11:

17,44,62,53 ......

 A. 66 B. 26 C. 29 D. 63 Answer Report Discuss Option: B Explanation : The total of unit + tens of every member is equal to eight, i.e., 1 + 7 = 8, 4 + 4 = 8, 2 + 6 = 8 Click on Discuss to view users comments. Salam Rahal said: (4:06am on Sunday 5th February 2017) The missing number should be less than the first multiple of 9 that follws. Therefore 26 is the missing number since it is less by 1 from the first multiple of 9 which follows. A more intelligent way of looking at it. Salam Rahal said: (4:10am on Sunday 5th February 2017) The missing number should be less by one from the first multiple of 9 which immediately follows. Hence 26 satisfies this rule here. Write your comments here:
12:

5,3,6,2,7,1,.....

 A. 2 B. 3 C. 4 D. 8 Answer Report Discuss Option: D Explanation : There are two series 5, 6, 7, 8 and 3, 2, 1,0 Click on Discuss to view users comments. Write your comments here:
13:

1,2,3,1,4,9,1,...27

 A. 5 B. 4 C. 16 D. 8 Answer Report Discuss Option: D Explanation : 1,2,3,12,22,32,13,23,33 Click on Discuss to view users comments. Write your comments here:
14:

81 ,9,64 ,8,.....,12

 A. 97 B. 144 C. 96 D. 100 Answer Report Discuss Option: B Explanation : First is the square of the second in every pair such as (9)2=81,(8)2=64 and (12)2=144 Click on Discuss to view users comments. Write your comments here:
15:

2,6,12,20,30

 A. 40 B. 44 C. 42 D. 36 Answer Report Discuss Option: C Explanation : The difference between two consecutive numbers are increasing in the order of 4, 6, 8, 10 and 12 Click on Discuss to view users comments. Write your comments here: X