Question

The ratio of the speed of Two trains is 5:8. Sum of their length is 660. The ratio of time taken to cross an Electric Pole by train A and B is 4:3. What is the difference between the length of two trains?

A) 50m B) 40m C) 60m D) 45m

Answer 1

Answer:C)60 cm

Step-by-step explanation: 2Q:The ratio of the speed of Two trains is 5:8. Sum ofir length is 660. The ratio of time taken to cross an Electric Pole by train A and B is 4:3. What is the difference between the length of two trains?A) 50mB) 40mC) 60mD) 45mAnswer: C) 60mExplanation:Ans.Given that length of first train + length of second train = 660Speed of first train : Speed of second train = 5:8 =5x : 8xTime taken to cross the poll by two trains = 4:3 =4y:3yNow ,(5x*4y) + (8x*3y) = 66044xy = 660xy = 15L1 - L2 = 24xy -20xy = 4xy = 60 cm

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