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.
463, 452, 439, 424, ?
Option 1: 407
Option 2: 413
Option 3: 419
Option 4: 411
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Correct Answer: 407
Solution :
Given:
463, 452, 439, 424, ?
In the given series, subtract consecutive odd numbers from the previous term to obtain the next term.
463 – 11 = 452; 452 – 13 = 439; 439 – 15 = 424; 424 – 17 = 407
So, 407 is the missing number in the given series. Hence, the first option is correct.
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