Question
Download Solution PDFHow many seconds will a boy take to run one complete round around a square field of side 55 metres, if he runs at a speed of 18 km/h?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
Side of the square field = 55 meters.
Speed of the boy = 18 km/h = 18 × 1000 / 3600 m/s = 5 m/s.
Formula Used:
Time taken = Total distance / Speed
Calculation:
Perimeter of the square field = 4 × Side
Perimeter = 4 × 55
Perimeter = 220 meters
Time taken = Total distance / Speed
⇒ Time taken = 220 / 5
⇒ Time taken = 44 seconds
The boy will take 44 seconds to run one complete round around the square field.
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