alleryనిశ్చల నీటిలో 15 km/h వేగం గల ఒక పడవ ప్రవాహ వేగం 5 km/h ఉన్నప్పుడు, ప్రవాహ దిశలో 40 km వెళ్లి తిరిగి వస్తుంది. మొత్తం సమయం ఎంత?
A8 గంటలు
B7 గంటలు
C5 గంటలు
D6 గంటలు
Answer & Solution
Correct answer: D. 6 గంటలు
ప్రవాహ దిశలో 40 / 20 = 2 h మరియు ఎదురు దిశలో 40 / 10 = 4 h, మొత్తం 6 గంటలు.
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