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After covering a distance of 30 km with auniform speed there is some defect in atrain engine and therefore, its speed isreduced to 4/5 of its original speed.Consequently, the train reaches itsdestination late by 45 minutes. Had ithappened after covering 18 kilometresmore, the train would have reached9 minutes earlier. Find the speed of thetrain and the distance of journey.(A) Speed = 40 km/hr. Distance = 160 km(B) Speed = 20 km/hr, Distance = 100 km(C) Speed = 30 km/hr, Distance = 120 km(D) Speed = 35 km/hr. Distance = 140 kmi need it with explaination |
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Answer» ANSWER:HI this QUESTION is of MATHS and PHYSICS not biology Explanation: |
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