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What should come in place of question mark ‘?’ in the following number series? 730, 728, ?, 691, 626, 500, 283

What should come in place of question mark ‘?’ in the following number series? 730, 728, ?, 691, 626, 500, 283 Correct Answer 719

The series is followed by the below pattern

⇒ 730 – 728 = (13 + 1)

⇒ 728 – 719 = (23 + 1)

⇒ 719 – 691 = (33 + 1)

⇒ 691 – 626 = (43 + 1)

⇒ 626 – 500 = (53 + 1)

⇒ 500 – 283 = (63 + 1)

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