Find out the wrong number in the given sequence of numbers.

1.	582, 605, 588, 611, 634, 617, 600
	A. 634 B. 611 C. 605 D. 600 Answer & Explanation Answer: Option A Explanation: Alternatively 23 is added and 17 is subtracted from the terms. So, 634 is wrong. View Answer Workspace Report Discuss in Forum

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2.	22, 33, 66, 99, 121, 279, 594
	A. 33 B. 121 C. 279 D. 594 Answer & Explanation Answer: Option C Explanation: Each of the number except 279 is a multiple of 11. View Answer Workspace Report Discuss in Forum

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3.	8, 13, 21, 32, 47, 63, 83
	A. 47 B. 63 C. 32 D. 83 Answer & Explanation Answer: Option A Explanation: Go on adding 5, 8, 11, 14, 17, 20. So, the number 47 is wrong and must be replaced by 46. View Answer Workspace Report Discuss in Forum

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4.	1, 8, 27, 64, 124, 216, 343
	A. 8 B. 27 C. 64 D. 124 Answer & Explanation Answer: Option D Explanation: The numbers are 13, 23, 33, 43 etc. So, 124 is wrong; it must have been 53 i.e., 125. View Answer Workspace Report Discuss in Forum

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5.

1, 2, 6, 15, 31, 56, 91

A. 31 B. 91 C. 56 D. 15 Answer & Explanation Answer: Option B Explanation: 1, 1 + 12 = 2, 2 + 22 = 6, 6 + 32 = 15, 15 + 42 = 31, 31 + 52 = 56, 56 + 62 = 92 Find out the wrong number in the given sequence of numbers. 6.  52, 51, 48, 43, 34, 27, 16 A. 27 B. 34 C. 43 D. 48 Answer & Explanation Answer: Option B Explanation: Subtract 1, 3, 5, 7, 9, 11 from successive numbers. So, 34 is wrong. View Answer Workspace Report Discuss in Forum 7.  4, 6, 8, 9, 10, 11, 12 A. 10 B. 11 C. 12 D. 9 Answer & Explanation Answer: Option B Explanation: Each number is a composite number except 11. View Answer Workspace Report Discuss in Forum 8.  105, 85, 60, 30, 0, -45, -90 A. 0 B. 85 C. -45 D. 60 Answer & Explanation Answer: Option A Explanation: Subtract 20, 25, 30, 35, 40, 45 from successive numbers. So, 0 is wrong. View Answer Workspace Report Discuss in Forum 9.  5, 16, 6, 16, 7, 16, 9 A. 9 B. 7 C. 6 D. None of these Answer & Explanation Answer: Option A Explanation: Terms at odd places are 5, 6, 7, 8 etc. and each term at even place is 16. So, 9 is wrong. View Answer Workspace Report Discuss in Forum 10.  125, 127, 130, 135, 142, 153, 165 A. 130 B. 142 C. 153 D. 165 Answer & Explanation Answer: Option D Explanation: Prime numbers 2, 3, 5, 7, 11, 13 are to be added successively. So, 165 is wrong. View Answer Workspace Report Discuss in Forum Find out the wrong number in the given sequence of numbers. 11.  46080, 3840, 384, 48, 24, 2, 1 A. 1 B. 2 C. 24 D. 384 Answer & Explanation Answer: Option C Explanation: The terms are successively divided by 12, 10, 8, 6, ...etc. So, 24 is wrong, it should be 8 (48/6 = 8). View Answer Workspace Report Discuss in Forum 12.  6, 13, 18, 25, 30, 37, 40 A. 25 B. 30 C. 37 D. 40 Answer & Explanation Answer: Option D Explanation: The differences between two successive terms from the beginning are 7, 5, 7, 5, 7, 5. So, 40 is wrong. View Answer Workspace Report Discuss in Forum 13.  36, 54, 18, 27, 9, 18.5, 4.5 A. 4.5 B. 18.5 C. 54 D. 18 Answer & Explanation Answer: Option B Explanation: The terms are alternatively multiplied by 1.5 and divided by 3. However, 18.5 does not satisfy it. View Answer Workspace Report Discuss in Forum 14.  56, 72, 90, 110, 132, 150 A. 72 B. 110 C. 132 D. 150 Answer & Explanation Answer: Option D Explanation: The numbers are 7 x 8, 8 x 9, 9 x 10, 10 x 11, 11 x 12, 12 x 13. So, 150 is wrong. View Answer Workspace Report Discuss in Forum 15.  25, 36, 49, 81, 121, 169, 225 A. 36 B. 49 C. 121 D. 169 Answer & Explanation Answer: Option A Explanation: The numbers are squares of odd natural numbers, starting from 5 up to 15. So, 36 is wrong. View Answer Workspace Report Discuss in Forum