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Question

# Ram has to reach office in 2 hours. He travels 2 hours at a speed of 80 kmph to reach office on time. Now, he is already late by 1 hour 5 minutes. Calculate the speed with which he has to travel, to reach office on time.

A

150 kmph

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B

140 kmph

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C

120 kmph

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D

175 kmph

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Solution

## The correct option is D 175 kmph As Ram is late by 1 hour and 5 minutes, he has 55 minutes i.e 5560 hour to reach his office. Also we know that speed is inversely proportional to time (distance remains constant) So, let's assume speed required to be s 2 × 80 = 5560 × s s = 960055 s = 174.54≈175 kmph

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