Odd Man Out and Series – Aptitude Questions and Answers | Online Odd Man Out and Series MCQ Aptitude Test
Quiz Name Online Odd Man Out and Series Category Reasoning Number of Questions 30 Time 30 Minutes Exam Type MCQ (Multiple Choice Questions)
1. 3, 5, 11, 14, 17, and 21 a. 21 b. 17 c. 14 d. 3
Answer: C
Explanation: Except for 14, each of the integers is an odd number.The number ’14’ is the only number that is even.
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2. 8; 27, 64; 100; 125; 216; 343 a. 27 b. 100 c. 125 d. 343
Answer: B
Explanation: 23, 33, 43, 53, 63, 73 is the pattern. However, 100 isn’t an ideal cube.
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3. 10, 25, 45, 54, 60, 75, 80, 90, 95 a. 10 b. 45 c. 54 d. 75
Answer: C
Explanation: Except for 54, each of the numbers is a multiple of 5.
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4. 396, 462, 572, 427, 671, 264, 396, 462, 572, 427, 671, 264, 396, 462, 5 a. 396 b. 427 c. 671 d. 264
Answer: B
Explanation: The middle digit of all numbers except 427 is the sum of the two preceding digits.
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5. 6, 9, 15, 21, 24, 28, 30, 32, 33, 34, 35, 36, 37, 38, 39 a. 28 b. 21 c. 24 d. 30
Answer: A
Explanation: Except for 28, each of the numbers is a multiple of three.
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6. 6th, 4th, 9th, 16th, 23rd, 25th, 36th a. 9 b. 23 c. 25 d. 36
Answer: B
Explanation: Except for 23, each of the integers is a perfect square.
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7. 1, 4, 9, 16, 20, 36, and 49 a. 1 b. 9 c. 20 d. 49
Answer: C
Explanation: 12, 22, 32, 42, 52, 62, 72 is the pattern. However, instead of 52, only 20 will be produced.
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8. 2, 5, 10, 17, 26, 37, 50, and 64 are all numbers that may be used to make a number. a. 50 b. 26 c. 37 d. 64
Answer: D
Explanation: (1*1),(2*2), +1,,(3*3)+1, (4*4)+1, (5*5),(6*6), +1,However, the number 64 is unusual.
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9. ten, fourteen, sixteen, eighteen, twenty-one, twenty-four, twenty-six a. 26 b. 24 c. 21 d. 18
Answer: C
Explanation: Except for 21, each of the numbers is an even number.
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10. ten, sixteen, twenty-five, thirty-six, seventy-two, seventy-four, one hundred and twenty-five, one hundred and twenty a. 36 b. 72 c. 196 d. 225
Answer: B
Explanation: Except for 72, every number is a perfect square.
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11. 331; 482, 551; 263, 383, 362, 284; 331; 482, 551; 263; 383, 362, 284; a. 263 b. 383 c. 331 d. 551
Answer: B
Explanation: Except for 383, the middle number is the product of the first and third digits
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12. 835, 734, 642, 751, 853, 981, 532 a. 751 b. 853 c. 981 d. 532
Answer: A
Explanation: Except for 751, the difference between the third and first digits is the middle one
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13. 41, 43, 47, 53, 61, 71, 73, 81 a. 61 b. 71 c. 73 d. 81
Answer: D
Explanation: Except for 81, each of the integers is a prime number.
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14. 3, 5, 7, 12, 17, and 19 a. 19 b. 17 c. 5 d. 12
Answer: D
Explanation: Except for 12, each of the integers is a prime number.
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15. 611, 634, 617, 600, 582, 605, 588, 611, 611, 634, 617, 600 a. 634 b. 611 c. 605 d. 600
Answer: A
Explanation: Alternatively, 23 is added to the words and 17 is removed. As a result, 634 is incorrect.
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16. 22, 33, 66, 99, 121, 279, 594 a. 33 b. 121 c. 279 d. 594
Answer: C
Explanation: Except for 279, each of the numbers is a multiple of 11.
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17. 8, 13, 21, 32, 47, 63, and 83 are all numbers that may be used to make a number a. 47 b. 63 c. 32 d. 83
Answer: A
Explanation: Continue adding 5, 8, 11, 14, 17, 20, and so on.As a result, the number 47 is incorrect and must be changed with the number 46.
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18. 1, 8, 27, 64, 124, 216, and 343 are the numbers 1, 8, 27, 64, 124, 216, and 343 respectively. a. 8 b. 27 c. 64 d. 124
Answer: D
Explanation: 13, 23, 33, 43, and so on are the numbers. As a result, 124 is incorrect; it should have been 53, i.e. 125.
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19. 1, 2, 6, 15, 31, 56, and 91 are all numbers. a. 31 b. 91 c. 56 d. 15
Answer: B
Explanation: 1, 1 + 12 = 2, 2 + 22 = 6, 6 + 32 = 15, 15 + 42 = 31, 31 + 52 = 56, 56 + 62 = 92,The series’ final number must be 92, not 91.
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20. 52, 51, 48, 43, 34, 27, 16; 52, 51, 48, 43, 34, 27, 16; 52, 51, 48 a. 27 b. 34 c. 43 d. 48
Answer: B
Explanation: Subtract 1, 3, 5, 7, 9, 11 from each number in order.So 34 is incorrect.
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21. 4th, 6th, 8th, 9th, 10th, 11th, and 12th a. 10 b. 11 c. 12 d. 9
Answer: B
Explanation: Except for 11, each number is a composite number.
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22. 105, 85, 60, 30, 0, -45, -90, 105, 85, 60, 30, 0, -45, -90, 105, 85, a. 0 b. 85 c. -45 d. 60
Answer: A
Explanation: Subtract 20, 25, 30, 35, 40, and 45 from each of the following values.As a result, 0 is incorrect.
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23. 5/16, 6/16, 7/16, 8/16, 9/16, 10/16, 11/16 a. 9 b. 7 c. 6 d. .None of these
Answer: A
Explanation: Each word at an odd location is 5, 6, 7, 8, and so on, while each phrase at an even place is 16.As a result, 9 is incorrect.
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24. 125, 127, 130, 135, 142, 153, 165, 152, 153, 165, 152, 153, 165, 152, 153, a. 130 b. 142 c. 153 d. 165
Answer: D
Explanation: The prime numbers 2, 3, 5, 7, 11, and 13 must be added in order.As a result, 165 is incorrect.
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25. 46080, 3840, 384, 48, 24, 2, 1 46080, 3840, 384, 48, 24, 2, 1 46080, 3840, a. 1 b. 2 c. 24 d. 384
Answer: C
Explanation: The words are split by 12, 10, 8, 6,…, and so on.As a result, 24 is incorrect; it should be 8 (48/6 = 8).
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26. 6, 13, 18, 25, 30, 37, and 40 are all numbers that may be used to make a number. a. 25 b. 30 c. 37 d. 40
Answer: D
Explanation: Seven, five, seven, five, seven, five, seven, five, seven, five, seven, five, seven, five, seven, five, seven, five, seven, five.As a result, 40 is incorrect.
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27. 36, 54, 18, 27, 9, 18.5, 4.5, 36, 54, 18, 27, 9, 18.5, 4.5, 36, 54, 18, a. 4.5 b. 18.5 c. 54 d. 18
Answer: B
Explanation: The terms are multiplied by 1.5 and then split by 3. However, 18.5 is insufficient.
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28. 56, 72, 90, 110, 132, 150, 156, 72, 72, 90, 90, 110, 132, 150, a. 72 b. 110 c. 132 d. 150
Answer: D
Explanation: 7 × 8, 8 x 9, 9 x 10, 10 x 11, 11 x 12, 12 x 13 are the numbers.As a result, 150 is incorrect.
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29. 25, 36, 49, 81, 121, 169, and 225 are the numbers. a. 36 b. 49 c. 121 d. 169
Answer: A
Explanation: The numbers range from 5 to 15, and are squares of odd natural integers.As a result, 36 is incorrect.
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30. 16, 33, 65, 131, and 261 are all numbers that may be used to make a number of different combinations (….) a. 523 b. 521 c. 613 d. 721
Answer: A
Explanation: Each number is double the previous one, with 1 either added or removed.2 x 261 + 1 = 523 is the following number.
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