SSC SSC GD Constable 2025 Mock Test Series Quantitative Aptitude Time and Work Work Efficiency

P, Q and R can complete a piece of work in 10 days, 15 days and 20 days, respectively. If they work together, in how many days can they finish the same work?

1
\(4\frac{8}{13}\)
2
\(4\frac{3}{7}\)
3
\(4\frac{7}{13}\)
4
\(4\frac{5}{7}\)
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