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Which of the following numbers is not a perfect cube? (a) 216 (b) 576 (c) 125 (d) 343 |
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Answer» number 576 is not a perfect cube. Given: a) 216 (b) 576 (c) 125 (d) 343 To find: which of the given numbers is not a perfect cube? Solution: Cube MEANS we should multiply the number itself three TIMES. 216 is the perfect cube of 6. 216 = 6 x 6 x 6 125 is the perfect cube of 5 125 = 5 x 5 x 5 343 is the perfect cube of 7. 343 = 7 x 7 x 7 576 is not a perfect cube. So, the required answer is 576. |
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