RRB Non Technical Model Papers 10 with solutions

Question : 17 of 100

Marks: +1, -0

Motorcyclist P started his journey at a speed of 30 km/hr. After 30 minutes, motorcyclist Q started from the same place but with a speed of 40 km/hr. How much time (in hours) will Q take to overtake P?

1
$3/2$
$3/8$
2

Validate

Solution:

(2) Distance covered by motorcyclist P before Q started

=30×1/2=15 km

Relative speed
= 40 – 30 = 10 km/h
Time taken by Q to catch P
=15/10=3/2hr

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