the length and breathe of a rectangular ground are 90 m and 70 m respe – InterviewSolution

1.	the length and breathe of a rectangular ground are 90 m and 70 m respectively• find the cost of cultivating the ground at the rate of rupees 0•50 per sq m•
Answer» Total cost of cultivating rectangular field of 15 rupees=18330Therefore, area of the field=18330÷15= 1222Let the length of the field be xTherefore, l×b=1222= l=1222÷26Therefore, l= 47Now, perimeter=2(47+26)=146Therefore, cost of fencing the field=146×20

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