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- Find out the wrong number in the series: 455, 445, 465, 435, 485, 415,515,455
Question 1:
Find out the wrong number in the series: 455, 445, 465, 435, 485, 415,515,455 A. 455
Feedback The given series is made of two different series:
First: 455, 465, 485, 515, and
Second: 445, 435, 415,455
The sequence in first series is + 10, + 20, + 30, and the sequence in second series: -10, -20. So, the number 455 is wrong as it should be 415 - 30 = 385
First: 455, 465, 485, 515, and
Second: 445, 435, 415,455
The sequence in first series is + 10, + 20, + 30, and the sequence in second series: -10, -20. So, the number 455 is wrong as it should be 415 - 30 = 385
B. 465
C. 485
D. 415
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