A train can travel 50% faster than a car. Both start from point A at the same time and reach point B, 75 kilometres (km) away from A at the same time. On the way, however, the train had lost about 12.5 minutes while stopping at the stations. What is the speed of the car?

A train can travel 50% faster than a car. Both start from point A at the same time and reach point B, 75 kilometres (km) away from A at the same time. On the way, however, the train had lost about 12.5 minutes while stopping at the stations. What is the speed of the car? Correct Answer 120 km/hr

ধরি, car - এর গতিবেগ ঘণ্টায় x কি.মি. ⸫ Train " " " 150x100 = 3x2 " ⸫ 75x - 753x2 = 12.560 ⇒ 75x - 75×23x = 12510×60 ⇒ 75x - 50x = 125600 ⇒ 75 - 50x = 125600 ⇒ 25x = 125600 ⇒ 125x = 25×600 ⸫ x = 25×600125 = 120 ⸫ car - এর গতিবেগ ঘণ্টায় 120 কিমি.

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