MPSC Rajyaseva 2025 CSAT — Question 71
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खालील संख्या क्रमाने लावून प्रश्नचिन्हाच्या जागेवर संख्या द्या. Arrange the following number in sequence and replace the question mark. 48 : 513 :: 63 : ?
1)730✓ Correct
2)512
3)729
4)513
48 = 7² − 1 and 513 = 8³ + 1: the first number is one less than a square, and the second is the next number cubed plus one. In the same way 63 = 8² − 1, so the answer is 9³ + 1 = 729 + 1 = 730.
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