160 मीटर लम्बे और 140 मीटर चौड़े खेत की चारों ओर 4 चक्कर
लगाने में एक लड़के को 8 किमी/घंटा की चाल से दौड़ने में कितना
समय लगेगा?
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Answer:
total distance to complete one round is : 2(140+160) = 600 meter
total distance to complete 4 round is : 4× 600 =2400 meter or 2.4 km
speed of the boy is : 8 km/ hour
so, total time taken by the boy is to complete 4 round is = total distance × speed
= 2.4 ×8
= 19.2 hours.
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good and very right answer
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