Question : Directions: Select the number from among the given options that can replace the question mark(?) in the following series.
53, 69, 86, 104, 120, ?, 155
Option 1: 140
Option 2: 131
Option 3: 132
Option 4: 137
Correct Answer: 137
Solution :
Given:
53, 69, 86, 104, 120, ?, 155
In the above-given series, add 16, 17, and 18 to the previous numbers to get the next numbers.
53 + 16 = 69; 69 + 17 = 86; 86 + 18 = 104; 104 + 16 = 120;
120 + 17 = 137; 137 + 18 = 155
So, the missing number of the series is 137. Hence, the fourth option is correct.
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