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6. The speed of a car is 60 km/hr and it covers a certain distance in 6 hours. How much shouldbe the speed of car to cover the same distance in 5 hours?7. A factory requires 28 machines to make some shirts in 20 days. If 4 machines are not working |
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Answer» Answer: SPEED is distance upon time so TAKE distance as x then 60=x/6 x=360 now new speed will again be distance upon time so speed=360/5=72 thus new speed = 72km/hr |
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