What is the perimeter of a square field whose diagonal is 8√2?  Answers
A) 17 min B) 19 min C) 18 min D) 20 min E) 12 min
In 1hr, the bus covers 60 km without stoppages and 40 km with stoppages.   Stoppage time = time take to travel (60 - 40) km i.e 20 km at 60 km/hr.   stoppage time = 20/60 hrs   =20 min.   Answer: 20 min
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What is the perimeter of a square field whose diagonal is 8√2?