Question : Directions: In the following question a series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.
70, 62, 65, 57, ?, 52, 55
Option 1: 67
Option 2: 60
Option 3: 47
Option 4: 37
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Correct Answer: 60
Solution :
Given:
70, 62, 65, 57, ?, 52, 55
Subtract 8 and add 3 alternatively to find the next term –
70 – 8 = 62; 62 + 3 = 65; 65 – 8 = 57; 57 + 3 = 60; 60 – 8 = 52; 52 + 3 = 55
So, 60 is the missing number of the series. Hence, the second option is correct.
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