state gov Delhi District Court (DDC) Group C Mock Test 2021 Quantitative Aptitude Time and Work Work Efficiency
A can complete 2/3rd of work in 10 days and B can complete 4/5th work in 30 days. In how many days A and B together can complete the work?
1
75/9 days
2
75/7 days
3
10 days
4
65/7 days