state gov Karnataka Police SI (KSP SI) Mock Test 2025 Quantitative Aptitude Time and Work Work Efficiency
B1 and B2 together can complete a work in 20 days. B2 alone can complete the same work in 60 days. In how many days B1 alone can complete the same work?
1
10 days
2
35 days
3
30 days
4
25 days