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Home ‣ Aptitude ‣ Odd Man Out and Series Comments
- Question
In the following number series only one number is wrong. Find out the wrong number ? 6, 15, 35, 63, 143, 221, 323
Options- A. 143
- B. 63
- C. 323
- D. 35
- Correct Answer
- 63
ExplanationHere the series follows the pattern that, product of succesive prime numbers i.e,
2 × 3 = 6
3 × 5 = 15
5 × 7 = 35
7 × 11 = 77
11 × 13 = 143
13 × 17 = 221
17 × 19 = 323
So here in place of 77 the number 63 is written.
So the wrong number is 63.
- 1. Complete the missing number in the given series. 5, 20, 76, (?), 448
Options- A. 185
- B. 225
- C. 415
- D. 232 Discuss
- 2. Find the next number in te given series ? 5, 25, 61, 113, ...
Options- A. 142
- B. 181
- C. 156
- D. 179 Discuss
- 3. Find out the wrong number in the following series ? 2880, 480, 92, 24, 8, 4, 4
Options- A. 480
- B. 92
- C. 24
- D. 4 Discuss
- 4. The missing number in the Series 114, 131, 165, 216, ?, 369
Options- A. 314
- B. 304
- C. 294
- D. 284 Discuss
- 5. Find the missing number in the series 1, 6, ?, 15, 45, 66, 91
Options- A. 24
- B. 28
- C. 32
- D. 26 Discuss
- 6. Find the odd man out of the series? 128, 32, 14, 2.66, 0.88
Options- A. 32
- B. 14
- C. 2.66
- D. 0.88 Discuss
- 7. What will come in place of question mark (?) in the following number series? 4, 3, 4, 7, 15, ?
Options- A. 42
- B. 44
- C. 53
- D. 56 Discuss
- 8. Find the odd one in the number series given below ? 17, 9, 10, 18.5, 35, 90
Options- A. 9
- B. 10
- C. 18.5
- D. 90 Discuss
- 9. In the following number series, one of the numbers is wrong. Find it out? 77, 79, 76, 81, 75, 85
Options- A. 79
- B. 81
- C. 75
- D. 85 Discuss
- 10. Find the Odd Number in the given Number Series? 3, 6.5, 14, 29, 64, 136
Options- A. 14
- B. 64
- C. 29
- D. 136 Discuss
Odd Man Out and Series problems
Search Results
Correct Answer: 225
Explanation:
The series follows the following pattern
5 X 5 ? 5 = 20
20 X 4 ? 4 = 76
76 X 3 ? 3 = 225
225 X 2 ? 2 = 448
Hence, the term 225 denoted by (d) completes the series
Correct Answer: 181
Explanation:
Here the series follow the rule that
SO NEXT IS,
Correct Answer: 92
Explanation:
The given series of numbers follow the rule that,
2880/6 = 480
480/5 = 96
96/4 = 24
24/3 = 8
8/2 = 4
4/1 = 4
But 92 is not in the rule. It is the wrong number in the given series.
Correct Answer: 284
Explanation:
114 131 165 216 ? 369
+17 +34 +51 +68 +85
=> The missing number in the given Number series = 216 + 68 = 284.
Correct Answer: 28
Explanation:
Here the given series 1, 6, ?, 15, 45, 66, 91 follows a
Pattern in the series is, +5, +9, +13,...,.. +21, +25
So +4 is getting increased at every term addition.
Missing Number in the series will be 15+(9+4) = 15 + 13 = 28.
Correct Answer: 14
Explanation:
Here the given series is 128, 32, 14, 2.66, 0.88
128 / 4 = 32
32 / 3 = 10.666
10.666 / 4 = 2.666
2.666 / 3 = 0.888
Hence, the odd man in the given number series is 14.
Correct Answer: 44
Explanation:
4 3 4 7 15 ?
×1-1 ×1+1 ×2-1 ×2+1 ×3-1
15x3 - 1 = 45 - 1 = 44
Correct Answer: 18.5
Explanation:
The given series pattern follows
17 9 10 18.5 35 90
× 0.5 + 0.5, × 1 + 1, × 1.5 + 1.5, × 2 + 2, × 2.5 + 2.5
So here
17x0.5 + 0.5 = 9
9x1 + 1 = 10
10x1.5 + 1.5 = 16.5
16.5x2 + 2 = 35
35x2.5 + 2.5 = 90
Here the odd man in the given series is 18.5
Correct Answer: 75
Explanation:
Here in the given series, it follows a pattern that
77 + 2 = 79
79 - 3 = 76
76 + 5 = 81
81 - 7 = 74
74 + 11 = 85
Consecutive adding and subtracting of prime numbers.
So the wrong number in the given series is 75.
Correct Answer: 29
Explanation:
The Given number series 3, 6.5, 14, 29, 64, 136 follows a pattern that
3
3 x 2 + 0.5 = 6.5
6.5 x 2 + 1 = 14
14 x 2 + 2 = 30 29
30 x 2 + 4 = 64
64 x 2 + 8 = 136
Thus the wrong number in the series is 29
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