NIACL Model Paper 10 with solutions for free online practice

Question : 55 of 100

Marks: +1, -0

How much time will Ravindra take to complete one round, cycling around the boundary of a circular ground ?
I. Speed of cycling is 12 kmph
II. Diameter of the ground is 700 metres

if the data in statement I alone is sufficient to answer the question, while the data in statement II alone is not sufficient to answer the question
if the data in statement II alone is sufficient to answer the question, while the data in statement I alone is not sufficient to answer the question
if the data either in statement I alone or in statement II alone is sufficient to answer the question.
if the data in both the statements I and II together are not sufficient to answer the question.
if the data in both the statements I and II together are necessary to answer the question.

Validate

Solution:

(5) From statement I,
Speed = 12 kmph

= 12×5/18=10/3

m/sec
From statement II,
Circumference of ground

= 22/7×700 =2200

metres
When both statements are combined, the required time can be determined, that is,
Time

=\text"Distance"/\text"Speed"

{2200 × 3}/10= 660

seconds

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