Delhi Police Constable practice question
The speed of a boat in still water is 11 km/hr and the speed of the stream is 5 km/hr. Find the downstream speed of the boat.
From a Delhi Police Constable Quantitative Aptitude practice set · Quantitative Aptitude
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Correct answer: (C) 16 km/hr
Downstream speed = Boat speed + Stream speed = 11+5 = 16 km/hr.
हिंदी में प्रश्न
शांत जल में नाव की चाल 11 किमी/घंटा है और धारा की चाल 5 किमी/घंटा है। नाव की धारा के अनुकूल (downstream) चाल ज्ञात करें।
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उत्तर और व्याख्या देखें
सही उत्तर: (C) 16 km/hr
Downstream speed = Boat speed + Stream speed = 11+5 = 16 km/hr.
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