Discussion
Home ‣ Aptitude ‣ Odd Man Out and Series Comments
- Question
Find out the wrong number in the series. 7, 8, 18, 57, 228, 1165, 6996
Options- A. 8
- B. 18
- C. 57
- D. 228
- Correct Answer
- 228
ExplanationLet the given numbers be A, B, C, D, E, F, G.
Then, A, A x 1 + 1, B x 2 + 2, C x 3 + 3, D x 4 + 4, E x 5 + 5, F x 6 + 6 are the required numbers.
Clearly, 228 is wrong.
- 1. Find out the wrong number in the given sequence of numbers. 52, 51, 48, 43, 34, 27, 16
Options- A. 27
- B. 34
- C. 43
- D. 48 Discuss
- 2. Find out the wrong number in the given sequence of numbers. 36, 54, 18, 27, 9, 18.5, 4.5
Options- A. 4.5
- B. 18.5
- C. 54
- D. 18 Discuss
- 3. Find the odd man out. 253, 136, 352, 324, 631, 244
Options- A. 324
- B. 136
- C. 352
- D. 631 Discuss
- 4. Find out the wrong number in the given sequence of numbers. 582, 605, 588, 611, 634, 617, 600
Options- A. 634
- B. 611
- C. 605
- D. 600 Discuss
- 5. Find the odd man out. 331, 482, 551, 263, 383, 362, 284
Options- A. 263
- B. 383
- C. 331
- D. 551 Discuss
- 6. Find out the wrong number in the given sequence of numbers. 6, 13, 18, 25, 30, 37, 40
Options- A. 25
- B. 30
- C. 37
- D. 40 Discuss
- 7. Find the one which does not belong to that group ?
Options- A. 2T0
- B. 1R8
- C. 2Y4
- D. 1P6 Discuss
- 8. Insert the missing number. 16, 33, 65, 131, 261, (....)
Options- A. 523
- B. 521
- C. 613
- D. 721 Discuss
- 9. Find the odd one out of the following options.
Options- A. Sapphire
- B. Ruby
- C. Topaz
- D. Granite Discuss
- 10. Find the odd number in the following number series? 24, 4, 13, 41, 151, 640
Options- A. 4
- B. 640
- C. 41
- D. 13 Discuss
Odd Man Out and Series problems
Search Results
Correct Answer: 34
Explanation:
Subtract 1, 3, 5, 7, 9, 11 from successive numbers.
So, 34 is wrong.
Correct Answer: 18.5
Explanation:
The terms are alternatively multiplied by 1.5 and divided by 3. However, 18.5 does not satisfy it.
Correct Answer: 324
Explanation:
The Sum of the digits in each number, Except 324 is 10.
Correct Answer: 634
Explanation:
Alternatively 23 is added and 17 is subtracted from the terms. So, 634 is wrong.
Correct Answer: 383
Explanation:
In each number except 383, the product of first and third digits is the middle one.
Correct Answer: 40
Explanation:
The differences between two successive terms from the beginning are 7, 5, 7, 5, 7, 5.
So, 40 is wrong.
Correct Answer: 2Y4
Explanation:
The digits on either side of the letter in each of the groups 1P6, 2T0, and 1R8 indicate the place value of the letter in the alphabet.
This pattern is not followed by 2Y4.
Correct Answer: 523
Explanation:
Each number is twice the preceding one with 1 added or subtracted alternatively.
So, the next number is (2 x 261 + 1) = 523.
Correct Answer: Granite
Explanation:
Except Granite all other options belong to the group of precious stones.
Correct Answer: 41
Explanation:
The given number series follows the pattern that,
24×0 + 4 = 4
4×1 + 9 = 13
13×2 + 16 = 42
42×3 + 25 = 151
151×4 + 36 = 640
Therefore, the odd number in the given series is 41
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