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Find the wrong number in the following series. 51, 42, 53, 74, 36, 08

Asked on by | Votes 0 | Views: 20 | Tags: series     | sequence and series     | quantitative aptitude     | Add Bounty

Find the wrong number in the following series.

51, 42, 53, 74, 36, 08
1). 53
2). 74
3). 08
4). 36


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1 answers

1 vote
Answered by on | Votes 1 |

The numbers are calculated as follows:

42 – 1 = 15 | 51

52 – 1 = 24 | 42

62 – 1 = 35 | 53

72 – 1 = 48 | 84

82 – 1 = 63 | 36

92 – 1 = 80 | 08

Thus 74 is the incorrect term.

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