A man is walking at a speed of 12 km/h. After every km, he takes rest for 3 minutes. How much time will he take to cover a distance 6 km?

42 minutes 40 minutes 48 minutes 45 minutes

45 minutes

Time = \(\frac{Distance }{Speed}\) = \(\frac{6  }{12}\) = 0.5 hour = 30 minutes After every km man takes rest for  3 minutes . SO , During 6 km he stops for 5 times . Total rest time = 3 × 5 = 15 minutes Total time taken = 30 + 15 = 45 minutes