state gov APPSC (ఆంధ్రప్రదేశ్) Group 2 (Pre + Mains) Mock Test 2023 Quantitative Aptitude Time and Work
A can complete a piece of work in 12 days. B is 20% less efficient than A. The number of days it will take for B to complete the work is:
1
16 days
2
18 days
3
20 days
4
15 days