RRB NTPC 18 January 2017 Paper

Question : 115 of 120

Marks: +1, -0

The speed of car M is twice that of car W. If car M covers 120 km in 2 hrs & 30 mins, what is the speed of car W?

Solution:

(3) Speed of car M =

\ { 120 } /{ 2 { 1 }/ { 2 } } = { 120 × 2 }/ { 5 }

{∵S=

D/T

}
= 48 km/h
Speed of car W =

48/2

km/h

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