A boat travels at a speed of 30 km per hour. How many hours does it take to cover 210 km?

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Solution

The correct option is C 7
Total distance covered = 210 km
Speed of the boat = 30 km per hour

So, Time take by the boat to cover 30 km = 1 hour

$∴$ Time taken to cover 210 km
= 210 ÷ 30 = 7 hours

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