engineering recuitment FSSAI Assistant Mock Test 2021 Quantitative Aptitude Time and Work Work Efficiency
A and B can do a work in 21/2 days. The ratio of their efficiencies is 3 ∶ 7. They start working and work for 5 days. Find the time taken by them to complete 60% of the remaining work.
1
\(3{3 \over 10}\) days
2
\(3{4 \over 10}\) days
3
\(3{3 \over 5}\) days
4
\(4{7\over 5}\) days