# Number Series - Number series MCQ

1:

4, 6, 9, 13,

 A. 15 B. 12 C. 18 D. 17 Answer Report Discuss Option: C Explanation : The difference between two consecutive numbers is increasing in the order of 2,3, 4, 5, etc. Click on Discuss to view users comments. Write your comments here:
2:

8, 20, 36, 56,

 A. 80 B. 100 C. 64 D. 84 Answer Report Discuss Option: A Explanation : Every member of the series is,divisible by 4 and quotient is in the order of 2, 5, 9, 14, 20, i.e., it has an increasing trend with the difference of 3, 4, 5 and 6 Click on Discuss to view users comments. Write your comments here:
3:

11, 33, 55, 77

 A. 99 B. 88 C. 121 D. 101 Answer Report Discuss Option: A Explanation : Every member of the series is divisible by 11 and every next member is 22 greater than the preceding one. Click on Discuss to view users comments. Write your comments here:
4:

1, 8, 4, 27, 9,  ?

 A. 8 B. 9 C. 64 D. 16 Answer Report Discuss Option: C Explanation : There are two series, 13, 23, 33, 43, and 22, 32, 42 Click on Discuss to view users comments. Write your comments here:
5:

3,6,8,16,18,

 A. 28 B. 36 C. 54 D. 34 Answer Report Discuss Option: B Explanation : IInd number is twice of the first and fourth is twice of the third one. So 18 x 2 = 36 Click on Discuss to view users comments. Write your comments here: