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Question : Directions: Which number should replace the question mark (?) in the following number series?
642, 598, 554, ?, 466, 422

Option 1: 514

Option 2: 524

Option 3: 500

Option 4: 510


Team Careers360 2nd Jan, 2024
Answer (1)
Team Careers360 13th Jan, 2024

Correct Answer: 510


Solution : Given:
642, 598, 554, ?, 466, 422

Let's apply the pattern –
642 – 44 = 598; 598 – 44 = 554; 554 – 44 = 510; 510 – 44 = 466; 466 – 44 = 422

So, 510 is the missing number in the series. Hence, the fourth option is correct.

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