A bus travelling the first one third distance at a speed of 10 km per hour, the next one fourth at 20 km per hour and the remaining at 40 km per hour. Find the average speed of the bus.
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i think,average speed = distance/time taken.so,total distance=10km+20km+40km/3hrs.=70 km/3hrs.=23.3 km/hr.is the average speed. hope it is correct!!and helps to u!!
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certain specialised crops began to be grown not for consumption in village but for sale in national and even in international market.
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