7,11,13,17, 19, __
A. | 21 |
B. | 29 |
C. | 23 |
D. | 31 |
Option: C Explanation : The series can be completed. by the next prime number. Click on Discuss to view users comments. |
2,20,74,110,
A. | 182 |
B. | 110 |
C. | 120 |
D. | 160 |
Option: A Explanation : The difference between two consecutive numbers is divisible by 18. Click on Discuss to view users comments. |
3,5, 9,17,33
A. | 44 |
B. | 65 |
C. | 64 |
D. | 49 |
Option: B Explanation : The difference between the two con- secutive terms are doubling, i.e., 2, 4,8, 16, 32. Thus 33 + 32 = 65. Click on Discuss to view users comments. |