20 mtr./sec speed is equal to (A) 60 km/hr (B) 50 km/hr (C) 75 km/h (D) 72 km/hr
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Answer:
20×18/5
360/5
72km/hr
this would be the answer
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Answer:
20 mtr./sec speed is equal to km/hr (D) 72 km/hr
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