engineering recuitment UPCL AE (E&M) 2021 Mock Test Quantitative Aptitude Time and Work Work Efficiency
A is 25% more efficient than B and B is 20% more efficient than C. When they work together they can finish a work in 24 days. Find in how many days B can finish that work?
1
74 days
2
82 days
3
78 days
4
80 days