Two boats have same speed of 10 km/hr in still water. First boat starts from a...
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Two boats have same speed of 10 km/hr in still water. First boat starts from a point P and goes upstream. At the same time, second boat starts from same point P and goes downstream. After 3 hours, the sum of distances covered by them is 60 km. What is the speed of the stream (in km/hr)? 1. 1 2. 2 2.5 4. 4 Cannot be determined 3. 5. Two boats have same speed of 10 km/hr in still water. First boat starts from a point P and goes upstream. At the same time, second boat starts from same point P and goes downstream. After 3 hours, the sum of distances covered by them is 60 km. What is the speed of the stream (in km/hr)? 1. 1 2. 2 2.5 4. 4 Cannot be determined 3. 5.
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Solution 5 Let the speed of stream be V kmhr Upstream speed 10 V kmhr Downstream speed 10 V km... View the full answer
Related Book For
Cambridge IGCSE And O Level Additional Mathematics Coursebook
ISBN: 9781108411660
2nd Edition
Authors: Sue Pemberton
Posted Date:
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