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The pressure of wind on a sail jointly varies as the area of the sail and square of the velocity of the wind. The pressure per square meter is 1 unit when velocity is 16 km/hr. What will be the velocity when pressure is 4 units per square meter ?
Correct Answer: (c)
Official keyThis question appeared in the GPSC Prelims 2017 examination (GS-I). It is Question 177 out of 400 questions in this paper.
This question was part of the GPSC Prelims 2017 (GS-I). The GPSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all GPSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.