Question
Speed of boat is 15 km/hr. Speed of the stream is 20%
less than speed of boat. Then find time taken by boat to go 81 km downstream?Solution
Speed of stream = 15 × (80/100) = 12 km/hr Time taken to go 81 km = 81/(15 + 12) = 3 hrs
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II) Ammeter - Me...
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