engineering recuitment UPCL AE (E&M) 2021 Mock Test Quantitative Aptitude Time and Work Work and Wages
A and B alone can complete the work in 15 days and 20 days respectively. They took work for Rs. 840. Find the difference between the wages of A and B.
1
Rs.110
2
Rs.135
3
Rs.120
4
Rs.100