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The correct answer is B
‘A’ alone can complete a work in 15 days. ‘B’ alone can complete the same work in 20 days. If ‘A’ and ‘B’ work together for 5 days, then...
The ratio of time taken by P, Q and R to complete work alone is 6:8:3 respectively. If all three together complete the work in 5 days, then find in how ...
Rahul alone can do 60% of the same piece of work in (z-4) days. Queen and Rahul together can do 75% of the same piece of work in (0.5z+4) days. Pankaj a...
B is thrice as efficient as A and C is 0.50 times as efficient as A. What is the ratio of number of days taken by A, B, and C when they work individually?
P works thrice as fast as Q, whereas P and Q together can work four times as fast as R. If P&Q and R together work on a job, in what ratio should they s...
P does one fourth as much work as Q in two third of the time. If together they take 24 days to complete the work, how much time shall Q take to do it?
A and B can complete a task together in 18 days, while B alone takes 36 days to finish it. A began working alone and left after ‘x’ days, after whic...
A can do a work in 10 days and B in 15 days. If they work on it together for 4 days then in how many days the remaining work will be completed by B?
A, B and C can do a piece of work in 5, 8 and 10 days respectively. They start working together but C leaves after working 1 days and B, 2 days before t...
X, Y and Z can do a piece of work in 90 days, 40 days and 120 days respectively. If they all work together alternatively starting with X, Y than Z respe...
