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- Question
2,15,41,80,?
Options- A. 111
- B. 120
- C. 121
- D. 132
- Correct Answer
- 132
ExplanationThe pattern is + 13, + 26, + 39,.....So, missing term = 80 + 52 = 132.
Series Completion problems
Search Results
- 1. 48, 24, 96, 48, 192,?
Options- A. 76
- B. 90
- C. 96
- D. 98 Discuss
Correct Answer: 96
Explanation:
The pattern is ÷ 2, x 4, ÷ 2, x 4, .....So, missing term = 192 ÷ 2 = 96.
- 2. 90, 180, 12, 50, 100, 200,?, 3, 50, 4, 25, 2, 6, 30, 3
Options- A. 150
- B. 175
- C. 225
- D. 250 Discuss
Correct Answer: 150
Explanation:
Clearly, 90 = 30 x 3, 180 = 6 x 30, 12 = 2 x 6, 50 = 25 x 2, 100 = 4 x 25, 200 = 50 x 4.So, missing term = 3 x 50 = 150.
- 3. 3, 15,?, 63, 99, 143
Options- A. 27
- B. 35
- C. 45
- D. 56 Discuss
Correct Answer: 35
Explanation:
The terms of the given series are (22 - 1), (42 - 1),....., (82 - 1), (102 - 1), (122 - 1).So, missing term = (62 - 1) - (36 - 1) = 35.
- 4. 22, 24, 28,?, 52, 84
Options- A. 36
- B. 38
- C. 42
- D. 46 Discuss
Correct Answer: 36
Explanation:
The pattern is + 2, + 4, + 8, + 16,.....So, missing term = 28 + 8 = 36.
- 5. 13, 32, 24, 43, 35,?, 46, 65, 57, 76
Options- A. 45
- B. 52
- C. 54
- D. 55 Discuss
Correct Answer: 54
Explanation:
The given sequence is a combination of two series:I. 13, 24, 35, 46, 57 and II. 32, 43, ?, 65, 76
The pattern in both I and II is + 11. So, missing term = 43 + 11 = 54.
- 6. 6, 11, 21, 36, 56,?
Options- A. 42
- B. 51
- C. 81
- D. 91 Discuss
Correct Answer: 81
Explanation:
The pattern is + 5, + 10, + 15, + 20, ...So, missing term = 56 + 25 = 81.
- 7. 563, 647, 479, 815,?
Options- A. 672
- B. 386
- C. 279
- D. 143 Discuss
Correct Answer: 143
Explanation:
The pattern is + 84, - 168, + 336,.....i.e. + 84, - (84 x 2), + (84 x 22), .....So, missing term = 815 - (84 x 23) = 815 - 672 = 143.
- 8. 13, 35, 57, 79, 911,?
Options- A. 1110
- B. 1112
- C. 1113
- D. 1315 Discuss
Correct Answer: 1113
Explanation:
The terms of the given series are numbers formed by joining together consecutiveodd numbers in order i.e. 1 and 3, 3 and 5, 5 and 7, 7 and 9, 9 and 11, .....
So, missing term = number formed by joining 11 and 13 = 1113.
- 9. 1, 4, 10, 22, 46,?
Options- A. 64
- B. 86
- C. 94
- D. 122 Discuss
Correct Answer: 94
Explanation:
The pattern is + 3, + 6, + 12, + 24,.....So, missing term = 46 + 48 = 94.
- 10. 66, 36, 18,?
Options- A. 3
- B. 6
- C. 8
- D. 9 Discuss
Correct Answer: 8
Explanation:
Each term in the series is the product of the digits of the preceding term.So, missing term = 1 x 8 = 8.
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