Discussion
Home ‣ Aptitude ‣ Odd Man Out and Series Comments
- Question
- ...., 9, 25, 49, 81, 121?
Options- A. 5
- B. 1
- C. 4
- D. 3
- Correct Answer
- 1
ExplanationSeries pattern
12, 32, 52, 72, 92, 112
? Missing term = 12 = 1 - 1. 4, 12, 36,?, 324, 972
Options- A. 108
- B. 125
- C. 215
- D. 312 Discuss
- 2. If A represents the arithmetic mean, H represents the harmonic mean and G represents the geometric mean, then what is the relation between them?
Options- A. A x H = G
- B. A x H = G2
- C. A/H = G2
- D. A/H = G Discuss
- 3. Find the value of the expression 1 - 2 + 3 - 4 + 5 - 6 + 7 + .... upto 100 terms .?
Options- A. -150
- B. -60
- C. -100
- D. -50 Discuss
- 4. Find the missing term 6,?, 21, 33, 48
Options- A. 14
- B. 20
- C. 12
- D. 18 Discuss
- 5. Find out the next term in the series 7, 11, 13, 17, 19, ...
Options- A. 21
- B. 23
- C. 27
- D. None of these Discuss
- 6. 12, 15, 21, 30, 42, 57,?
Options- A. 59
- B. 63
- C. 65
- D. 75 Discuss
- 7. 3, 5, 9, 17, 33, 65,?
Options- A. 129
- B. 128
- C. 126
- D. 132 Discuss
- 8. 48, 23,?, 4.25, 1.125?
Options- A. 10.5
- B. 10
- C. 2.5
- D. 11 Discuss
- 9. 4, 25, 130,?, 3280
Options- A. 685
- B. 645
- C. 678
- D. 655 Discuss
- 10. 1, 9, 25, 49, 81,?
Options- A. 90
- B. 135
- C. 121
- D. 125 Discuss
Odd Man Out and Series problems
Search Results
Correct Answer: 108
Explanation:
Series pattern
Every next element = 3 x previous element
? Missing term = 3 x 36 = 108
Correct Answer: A x H = G2
Explanation:
A = (a + b)/2,
1/H = (1/a + 1/b)/2
? H = 2ab/(a +b),
G = ?ab
? A x H = {(a + b)/2} x {2ab/(a + b)} = ab = G2
? A x H = G2
Correct Answer: -50
Explanation:
(1 - 2) = -1
(3 - 4) = -1
(5 - 6) = -1
and so on.
? Total terms of -1 will be 50.
? Answer = -1 x 50 = -50
Correct Answer: 12
Explanation:
Series Pattern
+6, +9, +12, +15....
? Missing term = 6 + 6 = 12
Correct Answer: 23
Explanation:
Given series is a consecutive prime number series. Therefore, the next term will be 23.
Correct Answer: 75
Explanation:
Series pattern
+3, +6, +9, +12, +15, +18
? Missing term = 57 + 18 = 75
Correct Answer: 129
Explanation:
Series pattern
(2 x Previous element) - 1
? Missing term = (2 x 65) - 1 = 130 - 1 = 129
Correct Answer: 10.5
Explanation:
Series pattern = (Previous element/2) - 1
Missing term = 23/2 - 1 = 10.5
Correct Answer: 655
Explanation:
Series pattern = (5 x Previous element) + 5
? Missing term = (5 x 130) + 5 = 655
Correct Answer: 90
Explanation:
Series pattern
12, 32, 52, 72, 92, 112
So missing term = 112 = 121
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