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Select the number from among the given options that can replace the question mark (?) in the following series.
503, 509, 521, 539, ?
576
545
563
535
- Let's analyze the series: 503, 509, 521, 539, ?.
- We need to identify the pattern governing these numbers.
- 503 to 509: Increase by 6.
- 509 to 521: Increase by 12.
- 521 to 539: Increase by 18.
- Notice that the increase is growing by 6 each time.
- The next increment should be 18 + 6 = 24.
- 539 + 24 = 563.
- Checking options: Option 3: 563 matches our calculation.
Therefore, the missing number in the series is 563.
By: santosh ProfileResourcesReport error
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