engineering recuitment ICAR (IARI) Assistant (Pre + Mains) 2022 Mock Test Quantitative Aptitude Time and Work Work Efficiency
A can complete a certain work in 35 days. B is 40% more efficient than A, and C is 25% more efficient than B. B and C work together for 8 days. The remaining work is completed by A with the help of D in \(3\frac{1}{2}\) days. D alone can complete 72% of the original work in:
1
14 days
2
15 days
3
18 days
4
12 days