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The speed of a motorboat is 20 km/hr. For covering the distance of 15 km the boat took 1 hour more upstream than downstream. Let the speed of the stream be x km/hr then the speed of -

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Question

The speed of a motorboat is 20 km/hr. For covering the distance of 15 km the boat took 1 hour more upstream than downstream.

Let the speed of the stream be x km/hr then the speed of the motorboat upstream will be:

Options

  • 20 km/hr

  • (20 + x) km/hr

  • (20 − x) km/hr

  • 2 km/hr

MCQ

Solution

(20 − x) km/hr

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Situational Problems Based on Quadratic Equations Related to Day to Day Activities to Be Incorporated
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