Ⅰ. x 3 - 371 = 629 Ⅱ. y 3 - 543 = 788

Correct Answer: 3

Explanation:

According to given question , we have Ⅰ. x3 - 371 = 629 ⇒ x = √1000 = 10Ⅱ. y3 - 543 = 788 ⇒ y = √1331 = 11 From above both equations it is clear that x < y is correct answer .

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