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प्रश्न
The speed of a motorboat is 20 km/hr. For covering the distance of 15 km the boat took 1 hour more upstream than downstream.
Let the speed of the stream be x km/hr then the speed of the motorboat upstream will be:
पर्याय
20 km/hr
(20 + x) km/hr
(20 − x) km/hr
2 km/hr
MCQ
उत्तर
(20 − x) km/hr
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