Ques. 3 (ii)
chapter name- speed, time, and distance
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the speed is given by distance/time
i)when speed = 50 km/h
and distance = 175 km
speed = distance / time
time=distance / speed
time = 175/50
time = 3.5 hr=3.5x60 = 210min
ii)when speed = 12 km/h
and distance = 8 km
speed = distance / time
time=distance / speed
time = 8/12
time = 0.667 hr =0.667x60 = 40.02min≈40 mins
Ritiagarwal:
1st answer is right but the 2nd answer is wrong
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