RRB Junior Engineer Stage 1 Model Papers 4

Question : 8 of 99

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The area of a square park is 25 sq. km. The time taken to complete a round of the field once, at a speed of 3 km/hour is

Solution:

Side of square park

=√25 \km= 5 \km

Perimeter of park

= 4 × 5 = 20 km

Time taken

={20\Km}/{3\kmph} = 6 \hours 40 \minute

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