8. A car can reach its destination in 6 hours moving at an average speed of 40 km/h. If it has to take
two hours less to reach its destination, then its speed has to be increased by
a. 10 km/h.
b. 40 km/h.
C. 60 km/h.
d. 20 km/h.
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Step-by-step explanation:
Answer is { d) 20 km/hr } .
Car have to increase its speed by 20km/hr.
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