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From a rope 30 m long, a person cuts off as many pieces as possible, each 31/4 m long. What fraction of the whole will be left ?
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- 1/40
- 3/4
- 8/13
- 7/13
Correct Option: A
Length of each piece = 31/4 = 13/4 m
Maximum pieces that can be cut = 30/(13/4) = 9
∴ Rope left = 30 - 13/4 x 9 = 120 - 117/4 = 3/4 m
∴ Required fraction = 3/4/30 = 1/4
