Question : Directions: Select the number from among the given options that can replace the question mark (?) in the following series.
31, 37, 46, 60, 81, ?
Option 1: 117
Option 2: 106
Option 3: 122
Option 4: 111
Correct Answer: 111
Solution :
Given:
31, 37, 46, 60, 81, ?
The difference of the numbers being added to the terms of the series is an odd number.
The pattern is as follows –
So, 111 is the missing number of the given series. Hence, the fourth option is correct.
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