Question : Directions: In the following question, select the missing number of the given series.
164, 139, 114, 89, 64, ?
Option 1: 29
Option 2: 40
Option 3: 49
Option 4: 39
Correct Answer: 39
Solution :
Given:
164, 139, 114, 89, 64, ?
The pattern is as follows –
164 – 25 = 139; 139 – 25 = 114; 114 – 25 = 89; 89 – 25 = 64; 64 – 25 = 39
So, the missing number of the series is 39. Hence, the fourth option is correct.
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