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According to the question, Let length of train be ‘x’ m. => (Speed of train – Speed of man) = Length of train/Time => (78 - 6)× (5/18) = x/23 => 20 = x/23 => x = 460 Length of train is 460 meter.
A can count 100 eggs in 4 minutes while B can count the same number of eggs in 5 minutes. How much time will be required if they work together to count ...
A and B individually can complete the work in 32 days and 48 days respectively. If the time taken by C alone to complete the work is 1.25 times the time...
A and B together can complete a task in 12 days, while A alone can complete the same task in 20 days. If A and B start the work together, but B leaves a...
A certain number of students can complete the assignment together in 12 days. All of them started the assignment together, but 20 students left the assi...
‘A’ alone can do some work in 25 days. ‘B’ and ‘C’ together can do the same work in 10 days. If ‘B’ is half as efficient as ‘A’, the...
28 men can complete a work in 20 days. 40 women can complete the same work in 28 days. 20 men and 12 women started working and after 16 days, 20 more wo...
Ratio of the work done by P, Q and R in one day is 5:4:8 respectively. They all together can complete the work in 40 days. Q and R worked on it for 20 d...
A, B, and C can complete a job in 15, 20, and 30 days, respectively. They start the work together but after 3 days, A leaves. Then, B works alone for 5...
A can do a job in 24 days, while B can do the same job in 30 days. They started the work together, but A left after 6 days. In how many more days will B...
Three men and 4 women can do a piece of work in 7 days, whereas 2 men and I woman can do it in 14 days. Seven women will complete the same work in:
