Speed of a boat in still water to speed of boat in upstream is 12: 7. If the boat can travel 425 km in downstream in 5 hours, then find the time taken by the boat to cover 30 km in still water.
Let speed of boat in still water and speed of boat in upstream be ‘12x’ km/h and ‘7x’ km/h, respectively. Speed of stream = 12x – 7x = 5x km/h Speed of boat in downstream = 12x + 5x = 17 km/h So, 17x = 425/5 => x = 5 Speed of boat in still water = 12 × 5 = 60 km/h Desired time = 30/60 x 60 = 30 minutes
Convert the given Active voice into the Passive voice.
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In the given questions, choose one correct option that describes the sentence in the most suitable manner.
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The teacher said to Rana, “Have you completed the project?”
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Choose the option that is the passive form of the sentence.
The manager permitted women employees to leave office early on that day.
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The cake was eaten by the children.
