state gov Calcutta High Court Lower Division Assistant (LDA) Mock Test 2024 Quantitative Aptitude Time and Work Work Efficiency
Raju can finish a piece of work in 20 days. He worked at it for 5 days and then Jakob alone finished the remaining work in 15 days. In how many days can both finish it together?
1
12 days
2
10 days
3
20 days
4
16 days