A rectangular ground is 90m long and 32m broad. in the middle of the ground there is a circular tank of radius 14m.find the cost of turfing the remaining portion at the rate of 50 per square metre.
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area of rectangular ground is 90×32=2880
area of circular tank=^rsquare=22÷7×7×7=154
remaining ground = 2880-154=2726
area of circular tank=^rsquare=22÷7×7×7=154
remaining ground = 2880-154=2726
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