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Start learning 50% faster. Sign in nowSince, the time taken by A and B is same, therefore the ratio of the distance covered by them will be equal to the ratio of their speeds. Therefore, ratio of the distance covered by A and B = 80:90 = 8:9 Let the distance covered by A and B be 9x km and 8x km According to the question, 9x – 8x = 27 Or, x = 27 Therefore, distance between them before starting = 9x + 8x = 17x = 459 km
A can complete a task in 10 days, and B can complete it in 15 days. After 3 days of working together, B leaves. How many more days will A take to finis...
A, B and C can complete the whole work in 20 days. A starts the work and works for ‘x’ days while B and C complete the remaining 3/5 of the ...
Mike and Jenny alone can complete a task in 24 days and 40 days respectively. They aim to finish the work in 'd' days. What percentage increase in Jenny...
'N,' 'V,' and 'R' have individual work completion times of 140 days, 112 days, and 80 days, respectively. They all started working together on a task, b...
A buffalo alone can plough field ‘A’ in 40 days. A Bull alone can plough the field ‘A’ in 80 days. Find the number of days taken by 3 bulls and ...
An elephant can do a work as fast as two horses ‘A’ and ‘B’ can do it by working together. If horse ‘A’ alone can complete the work in 9 hou...
David can complete a work alone in 30 days, while Ethan can complete the same work in 50 days. Both of them started the work together and worked till 96...
A person travelled for the first 150 km at a certain speed in 6 hours. After that, the speed of the person decreased by 6 km/h. If the person took a tot...
