Question

Aman travels a certain distance at x km
b. In the return journey, he covers 20% of the same distance in 35% of the time taken to cover the earlier distance. For the remaining part of the return journey, if his speed is y km/h, and he can cover the entire return journey in the same time as for the onward journey, then which of the following is true?

A 15y = 19x
B 11y = 15x
C 13y = 16x
D 8y = 15x
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