Question

a train goes from Gandhinagar to Patna Train speed of 128 kilometre per hour and returns to the Gandhinagar at a different speed if the average speed for the time in journey is 112 kilometre per hour then find the speed of the train for the return journey​

Answer 1

Answer:

Let average speed be a

Speed from Gandhinagar to Patna be b

Speed from Patna to Gandhinagar be c

a=(b+c)/2

112=(128+c)/2

112×2=128+c

224=128+c

c=96

Speed from Patna to Gandhinagar=96

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