What is the percentage of a cloth that should be excluded from 40 metre cloth so that the remaining portion is 7 metre ? - Mathematics MCQ General Knowledge 2026 | ExamTest.live

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What is the percentage of a cloth that should be excluded from 40 metre cloth so that the remaining portion is 7 metre ?

Solution & Step-by-step Explanation

Total length of the cloth = 40 metre . Remaining length desired = 7 metre . Length to be excluded = 40 - 7 = 33 metre . Percentage of cloth to be excluded: Percentage = \frac{33}{40} \times 100 = \frac{330}{4} = 82.5%

Try it yourself before checking the explanation above.

What is the percentage of a cloth that should be excluded from 40 metre cloth so that the remaining portion is 7 metre ?

17.5

19

82.5

81

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