after covering a distance of 30 km with a speed there is some defect in a train engine and therefore , its speed is reduced to 4/5 of its original speed. consequently, the train reaches its destination late by 45 minutess. had it happened after covering 18 kilometres more, the train would have reached 9 minutes earlier. find the speed of the train and the distance of journey

Asked by balachandran_ps | 22nd Aug, 2014, 09:40: PM

Expert Answer:

Answered by Vimala Ramamurthy | 24th Aug, 2014, 03:33: PM