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Let the speed of the stream be x km/hr and both the boats meet after t hours According to the question, ⇒ (7 + x) t + (10 – x) t = 119 ⇒ 7t + 10t = 119 ⇒ 17t = 119 ⇒ t = 119/17 = 7 hours
Amit, Bheema, and Chetna can finish the task in 32 days, 24 days, and 30 days respectively. If they start the task together, and ...
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A man takes 200 days to finish a work alone. If he started working alone and joined by one more man having same efficiency as of him every day from 2nd ...
A team of 40 men is assigned to finish a project within 24 days. They began the task simultaneously. To complete the project 6 days ahead of the planned...
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 ...
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Aarif, Arun, and Abraham can do work in 12, 15, and 24 days, respectively. They all begin together. Aarif leaves the work 1 day, Arun 3 days and Abraham...
Ajay, Bablu and Chirag can complete a certain work in 21, 28 and 15 days respectively. Ajay and Chirag started the work while Bablu joined them after ...
Suraj is one third as good as workman as Pankaj and together they finish a piece of work in 36 days. The number of days taken by Suraj alone to finish t...
