Question : Directions: In the following question a series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.
206, 309, 412, ?, 618, 721
Option 1: 751
Option 2: 749
Option 3: 515
Option 4: 514
Correct Answer: 515
Solution :
Given:
206, 309, 412, ?, 618, 721
In the given series, add 103 to the previous number to obtain the next number.
206 + 103 = 309; 309 + 103 = 412; 412 + 103 = 515; 515 + 103 = 618; 618 + 103 = 721
So, 515 is the missing number in the given series. Hence, the third option is correct.
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