gmat. 9,265,393,457,489,? a)550 B)505 C)595 d575 e)525
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GMAT 2024 Sample Questions: Verbal Reasoning | Quantitative Reasoning
To find the next number in the series 9,265,393,457,489, we need to identify the pattern. Analyzing the differences between consecutive numbers:
265 - 9 = 256
393 - 265 = 128
457 - 393 = 64
489 - 457 = 32
Each difference is half of the previous difference. Following this pattern, the next difference should be 32 / 2 = 16.
Therefore, the next number in the series is: 489 + 16 = 505
The correct answer is B) 505.
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