RRB Junior Engineer Stage 1 Model Papers 3

Question : 15 of 100

Marks: +1, -0

Two trains 108 m and 112 m in length are running towards each other on the parallel lines at a speed of 45 km/hr and 54 km/hr respectively. To cross each other after they meet, it will take

10 sec
12 sec
9 sec
8 sec

Validate

Solution:

Relative speed

=(45+54)=99 km{/}hr={99×5}/18m{/}sec

Distance covered in crossing each other

= (108+112) = 220m

Required time

=220/99×18/5=8 \sec

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