Teaching KVS Junior Secretariat Assistant (LDC) Mock Test 2022 Quantitative Aptitude Time and Work Work Efficiency
A can do \(\frac{1}{5}\) of the work in 3 days and B can do \(\frac{1}{4}\) of the work in 7.5 days . Working together, A and B can do \(\frac{4}{5}\) of the same work in:
1
9 days
2
10 days
3
8 days
4
12 days