state gov OSSSC RI, ARI, AMIN, SFS, ICDS Supervisor Combined Mock Test 2023-25 Quantitative Aptitude Time and Work Work Efficiency
Arjun can do a work in 12 days. Santhosh who is 40% less efficient than Arjun joins him and both work for 6 days. What part of the work remains to be completed?
1
15%
2
20%
3
25%
4
18.5%