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The correct answer is B
‘A’ can do a piece of work in 15 days. ‘B’ can do 70% of the same work in 20 days. If they work together for the entire time and...
Sufficient food-supply was arranged to last for 30 days for 250 soldiers. If 50 soldiers did not attend the camp, for how many extra days will the food-...
A’ and ‘B’ together can complete a work in 18 days while ‘A’ takes 36 days to complete the same work alone. If ‘C’ is 50% more efficient t...
A and B together can complete a piece of work in 12 days. A alone can complete the work in 20 days. A starts the work and is joined by B after 5 days. H...
‘A’ and ‘B’ can complete a certain work in 16 days and 32 days, respectively. They started working together and worked till completion of the wo...
P’s 5 days work is equal to Q’s 6 days work. If P and Q together can complete the work in 25 days then how much time Q will take to complete 80% of ...
'Amit' alone can do some work in 15 days. 'Bunty' is 40% more efficient than 'Amit'. 'Amit' worked alone for 4 days and left. How much time (in days) do...
Jack is twice efficient as Jill and Jill can do a piece of work in 30 days. Jill started the work and after a few days Jack joined him. They completed t...
A contractor undertook to make 20 km of roadway in 48 weeks. In 28 weeks, 8 km was completed by 120 men working 12 hours a day. The men then agreed to w...
A alone work for 6 days then left the work and B alone finishes remaining work in 12 days. If ratio of time taken by A alone to B alone to finish work ...
