3. A field is 225 m long and 175 m wide. It has two roads in its centre of uniform width
of 5 m, one parallel to its length and the other parallel to its breadth. Find the cost
of gravelling the roads at * 3 per square metre.
Answers
Answered by
2
Step-by-step explanation:
A field is 225 m long and 175 m wide. It has two roads in its centre of uniform width
of 5 m, one parallel to its length and the other parallel to its breadth. Find the cost
of gravelling the roads at * 3 per square metre
Answered by
4
Area of horizontal road= 225m×5m=1125m
2
Area of vertical road=175m×5m=875m
2
Area of common portion: 5m×5m=25m
2
Thus total area:(1125+875−25)m
2
=1975m
2
Rate: Rs.3 per m
2
So, total cost=1975m
2
×Rs.3 per m
2
= Rs.5925
2
Area of vertical road=175m×5m=875m
2
Area of common portion: 5m×5m=25m
2
Thus total area:(1125+875−25)m
2
=1975m
2
Rate: Rs.3 per m
2
So, total cost=1975m
2
×Rs.3 per m
2
= Rs.5925
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