An aeroplane takes 3 hours to travel a distance of 3300 km. Another aeroplane travels at a speed which is 100 km per hour less than the first aeroplane. how long will it take to travel the same distance by the second aeroplane?
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distance = 3300km
time taken by first aeroplane = 3hrs
speed of first train = 3300/3 = 1100km/hr
so speed of second train is = 1100-100= 1000km/hr
so time taken by 2nd train = 3300/1000 = 3.3hrs
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