The ratio of speeds of X and Y is 5:7. Y covers a distance of 420 km i – McqOptions

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1.	The ratio of speeds of X and Y is 5:7. Y covers a distance of 420 km in 3 hours. What is the speed of X?
A.	80 kmph
B.	90 kmph
C.	120 kmph
D.	100 kmph
Answer» E.

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