A starts working on a job and continues for 18 days and completes 40% of the work. Then, he employs B and together they worked for 24 days and completed the work. What is the ratio of efficiencies of A and B?
Ajay, Bala and Chatur have efficiencies of work in the ratio 3: 4 : 7. Ajay started doing a piece of work alone. After 3 days Bala joined him. After 3 more days Chatur joined them. After 6 more days work got finished. For the complete work they together received Rs. 22800. What will be the share of Chatur?
If A men working A hours a day can do A units of a work in A days, then how many units of work can be completed by B men working B hours per day.
Rahul and Maneesh working separately can do a piece of work in 9 days and 12 days respectively. If they work for a day alternately, Rahul beginning, in how many days, the work will be completed?
Chirag and Bhavesh working together on certain jobs takes 71/2 days to complete it. Chirag alone takes 8 days less than Bhavesh alone takes. In how many days Akshay alone can complete the same work, if he is 60% more efficient than Chirag?