SSC SSC CPO Mock Test Series 2025 (Tier I & II) (DP SI & CAPF) Quantitative Aptitude Time and Work Work Efficiency
Brazen can paint a wall red in 12 days, while Ballary can paint the entire wall in 21 days. If Brazen and Ballari work alternately for one day each from painting the wall to coloring it red, then how many hours will it take to paint the entire wall red?
1
16 days
2
15 days
3
14 days
4
12 days