RRB NTPC Prelims Model Paper 4 with solutions

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Directions (Q. 18–20): Study the following line graph carefully and answer the following questions by selecting the correct option: The given line graph represents the relationship between the time taken and the distance covered by a motorist for a journey of 7 hours.

Question : 19 of 100

Marks: +1, -0

What is the average speed of the motorist during 2 p.m. and 4 p.m.?

80 km/hr
30 km/hr
60 km/hr
40 km/hr

Validate

Solution:

(4) The required average can be calculated as the average of the individual speeds between 2 p.m.to 3 p.m. and between 3 p.m. to 4 p.m.

={60+ 20}/2

=40 km/hr

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