Question

‘D’ and ‘E’ can complete a project in 40 days, while ‘E’ and ‘F’ can complete it in 60 days. ‘D’ and ‘E’ worked together on it for 30 days and then ‘F’ alone completed the remaining work in 20 days. If ‘D’, ‘E’, and ‘F’ started the project and worked together till its completion for which they received Rs. 1800 as total wage, then the share of ‘D’ out of the total wage will be:

Q: Answer-‘D’ and ‘E’ can complete a project in 40 days, while ‘E’ and ‘F’ can complete it in 60 days. ‘D’ and...

Let the total amount of work 240 units LCM of 40 and 60 Work done by D and E together in one day 240 40 6 units Work done by E and F together in one day 240 60 4 units Work done by D and E together in 30 days 30 6 180 units Remaining work 240 - 180 60 units Efficiency of F 60 20 3 units per day Efficiency of E 4 - 3 1 unit per day Efficiency of D 6 1 5 units per day Share of D 5 5 1 3 1800 59 1800 Rs 1000