Question : Directions: Select the number from among the given options that can replace the question mark (?) in the following series.
503, 509, 521, 539, ?
Option 1: 576
Option 2: 545
Option 3: 563
Option 4: 535
Answer (1)
23rd Jan, 2024
Correct Answer: 563
Solution :
Given:
503, 509, 521, 539, ?
Add the multiples of 6 to the previous number to obtain the next number of the series –
503 + 6 = 509, 509 + 12 = 521, 521 + 18 = 539, 539 + 24 = 563
So, the missing number is 563. Hence, the third option is correct.
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