Question

12. Find the smallest number by which 392 must be multiplied to obtain a perfect cube.
13. Shikha scored total 456 marks in half yearly examination. In the final examination she scored
480 marks. Find the increase percent of marks.

Answer 1

Answer:

Hello

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Step-by-step explanation:

12. So, 7 is the number that must be multiplied to 392 to make it a perfect cube.

13. Shikha's marks increased by 5.26%

Also, the final marks scored by Shikha in final exams is 480. Thus, the change in marks = (480-456) = 24.

Answer 2

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