Series Completion problems
- 1. 325, 259, 204, 160, 127, 105,?
Options- A. 94
- B. 96
- C. 98
- D. 100 Discuss
Correct Answer: 94
Explanation:
So, missing term = 105 - 11 = 94.
- 2. 4, 7, 12, 19, 28,?
Options- A. 30
- B. 36
- C. 39
- D. 49 Discuss
Correct Answer: 39
Explanation:
So, missing term = 28 + 11 = 39.
- 3. 5760, 960,?, 48, 16, 8
Options- A. 120
- B. 160
- C. 192
- D. 240 Discuss
Correct Answer: 192
Explanation:
So, missing term = 960 - 5 = 192.
- 4. 45, 54, 47,?, 49, 56, 51, 57, 53
Options- A. 48
- B. 50
- C. 55
- D. None of these Discuss
Correct Answer: 55
Explanation:
I. 45, 47, 49, 51, 53 and II. 54, ?, 56, 57
Clearly, II consists of consecutive natural numbers, starting from 54.
So, missing term = 55.
- 5. 3, 8, 13, 24, 41,?
Options- A. 70
- B. 75
- C. 80
- D. 85 Discuss
Correct Answer: 70
Explanation:
Thus, 1st term + 2nd term + 2 = 3rd term; 2nd term + 3rd term + 3 = 4th term and so on.
So, missing term = 6th term = 4th term + 5th term + 5 = 24 + 41 + 5 = 70.
- 6. 10, 14, 26, 42, 70,?
Options- A. 100
- B. 102
- C. 106
- D. 114 Discuss
Correct Answer: 114
Explanation:
So, missing term = (42 + 70) + 2 = 114.
- 7. 10, 18, 28, 40, 54, 70,?
Options- A. 85
- B. 86
- C. 87
- D. 88 Discuss
Correct Answer: 88
Explanation:
So, missing term = 70 + 18 = 88.
- 8. 8, 28, 116, 584,?
Options- A. 1752
- B. 3502
- C. 3504
- D. 3508 Discuss
Correct Answer: 3508
Explanation:
So, missing term = 584 x 6 + 4 = 3508.
- 9. 121, 143, 165, 186, 209
Options- A. 143
- B. 165
- C. 186
- D. 209 Discuss
Correct Answer: 186
Explanation:
So, 186 is wrong and must be replaced by (165 + 22) i.e. 187.
- 10. 6, 15, 35, 77, 165, 221
Options- A. 35
- B. 77
- C. 165
- D. 15 Discuss
Correct Answer: 165
Explanation:
(3 x 5), (5 x 7), (7 x 11),.....
So, 165 is wrong and must be replaced by (11 x 13) i.e. 143.
More in Verbal Reasoning:
Programming
Copyright ©CuriousTab. All rights reserved.