Question
Recognition
निम्नलिखित अङ्ग्रेज़ी शब्दों के हिन्दी पर्याय चुनियेSolution
The correct answer is B
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Speed of a boat in still water is 15 kmph and speed of stream is 12 kmph. A man rows to a place at a distance of 54 km and come back to starting point. ...
A boat covers 315 km upstream in 7 hours and 525 km downstream in 7 hours. Find the time taken by the boat to cover 420 km in still water.
