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Check whether the following numbers are perfect cubes or not.a. 6859b. 13824C. 78312 |
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Answer» a. yes it is perfect cube, cube root of 6859 is 19 as ones place have 9 so only possiblity that number is having 9 is ones place so it will be 19 by inspection. b. yes it is perfect cube, cube root of 13824 is 24 as ones place have 4 so only possiblity that number is having 4 or 8 is ones place so it will be 24 by inspection. c. 78312 is not perfect cube as there is no number which is multiplied three times gives 2. |
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