52. A park is 1500 m long and 750 m wide. A
cyclist has to take four rounds of this park.
How much time will he take at the speed of
4.5 km/h?
(a) 40 h (b) 20 h (c) 10 h
(d) 4h
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Answer:
he will take 4 hours to complete the four rounds.
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