1.

700, 674, 611, 487, 272, ?1). 1702). -703). -714). 40

Answer»

The pattern of given series is:

⇒ 700,

674 = 700 – 33 + 1,

⇒ 611 = 674 – 43 + 1,

487 = 611 – 53 + 1,

⇒ 272 = 487 – 63 + 1,

⇒ ? = 272 – 73 + 1,

⇒ ? = -70

Thus, the missing number is - 70


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