Question : Directions: What should come in place of the question mark (?) in the given series? 283, 308, 344, ?, 457
Option 1: 391
Option 2: 348
Option 3: 393
Option 4: 372
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Correct Answer: 393
Solution : Given: 283, 308, 344, ?, 457
In the given series, add the squares of consecutive natural numbers. 283 + 5 2 = 283 + 25 = 308 308 + 6 2 = 308 + 36 = 344 344 + 7 2 = 344 + 49 = 393 393 + 8 2 = 393 + 64 = 457
So, 393 is the missing number in the series, Hence, the third option is correct.
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