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Question 58
Walking at 75% of his usual speed, Raghu is 80 minutes late to his office. What is his usual time in hours to cover the same distance?
Solution
Let the original speed and time taken be 'V' and 't'
Same distance is covered in both the cases.
Therefore Vt=(3/4)V(t+80)
4t=3t+240
t=240/60 hours
t=4 hours
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