A passenger train takes `1 h` less for a journey of `120 km`, if its speed is increased by `10 km//h` from its usual s
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Q 1609312218.
A passenger train takes `1 h` less for a journey of
`120 km`, if its speed is increased by `10 km//h` from
its usual speed. What is its usual speed `?`
CDS 2016
A
`text(50 km/h)`
B
`text(40 km/h)`
C
`text(35 km/h)`
D
`text(30 km/h)`
HINT
Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)
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