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.
68, 72, 65, 69, 62, 66, ?
Option 1: 59
Option 2: 61
Option 3: 68
Option 4: 75
Correct Answer: 59
Solution :
Given:
68, 72, 65, 69, 62, 66, ?
Add 4 and subtract 7 from the numbers alternatively to find the next term of the series –
68 + 4 = 72; 72 – 7 = 65; 65 + 4 = 69; 69 – 7 = 62; 62 + 4 = 66; 66 – 7 = 59
So, 59 is the missing number. Hence, the first option is correct.
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