Teaching WB Primary TET Mock Test 2023 Quantitative Aptitude Time and Work Work Efficiency

A can do a piece of work in 20 days and B can do the same in 24 days. How many days will they take if both work together?

1
\(\rm 10\frac{11}{10}\)
2
\(\rm 10\frac{10}{11}\)
3
\(\rm 8\frac{10}{11}\)
4
\(\rm 10\frac{10}{8}\)
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