Question : A man is walking at a speed of 10 km/hr. After every kilometre, he has a rest for 5 minutes. How much time will he take to cover a distance of 5 km?
Option 1: 60 minutes
Option 2: 50 minutes
Option 3: 40 minutes
Option 4: 70 minutes
Correct Answer: 50 minutes
Solution :
Given: A man is walking at a speed of 10 km/hr.
Time taken by a man to cover 5 km distance $=\frac{5}{10}×60=30$ minutes
Man will take 4 times rest to cover 5 km distance.
So, time for rest = 5 × 4 = 20 minutes
Total time = (30 + 20) = 50 minutes
Hence, the correct answer is 50 minutes.
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