Question : Directions: Select the number from among the given options that can replace the question mark (?) in the following series.
61, 95, 138, 197, 279, (?)
Option 1: 397
Option 2: 389
Option 3: 391
Option 4: 395
Correct Answer: 391
Solution :
Given:
61, 95, 138, 197, 279, ?
The pattern is as follows –
So, 391 is the required missing number in the series. Hence, the third option is correct.
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