Teaching OSSC TGT Teachers Mock Test 2023 Quantitative Aptitude Time and Work Work Efficiency

A alone can do a piece of work in 30 days. B alone can do the same work in 60 days. If they work together for five days, What fraction of the work will be left?

1
\(\frac{2}{3}\)
2
\(\frac{1}{2}\)
3
\(\frac{3}{4}\)
4
\(\frac{5}{6}\)
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