engineering recuitment OSSC Combined Technical Services (ଓଡିଶା) Mock Test 2023-24 Quantitative Aptitude Time and Work Work Efficiency
A man and a woman can do a work together in 12 days. Their efficiencies are in the ratio 2 ∶ 3. Working alone, in how many days can the woman complete the work?
1
10
2
15
3
30
4
20