A can do a piece of work in 10 days. What fraction of the work is left after A works for 4 days?
A. \(\frac{3}{5}\)
B. \(\frac{1}{2}\)
C. \(\frac{2}{5}\)
D. \(\frac{2}{3}\)
A. \(\frac{3}{5}\)
B. \(\frac{1}{2}\)
C. \(\frac{2}{5}\)
D. \(\frac{2}{3}\)
Best answer
Answer: A. \(\frac{3}{5}\)
Answer: (A) \(\frac{3}{5}\)
A does \(\frac{1}{10}\) per day, so \(\frac{4}{10}\) in 4 days. Work left = \(1 - \frac{2}{5} = \frac{3}{5}\).
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