RRB Group D 19-Sep-2018 Shift 1 Solved Paper

Question : 64 of 100

Marks: +1, -0

Mahima started a journey 12 minutes late and as a result had to drive

@ \; 54 {\km} \/ {\hr}

instead of

@

45 {\km} \/ {\hr}

to reach on time. Find the distance covered during the course of the journey.

Solution:

Speed : 54 : 45 ⇒ 6 : 5

{S} ∝ \;{1}/{ {T}}

Time : 5 : 6

6 x-5 x=x=12

minute

5 x=5 × 12=60

minute or 1 hour.
Distance

=

speed

\times

time

\;\; =54 × 1

=54 {km} .

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