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Two crossroads rach of width 5m run at right angle through the centre of a rectangular park of length 70m and breadth 45m and parallel to its sides. Find the area of the roads. Also find the cost of constructing the roads at the rate of Rs 105 per m²?
Verified Answer
Two crossroads rach of width 5m run at right angle through the centre ...
Length of the 1st cross road parallel to the length = 70 m
Breadth of the 1st cross road parallel to the length = 5 m
Area of the 1st cross road = 70*5 
= 350 sq m
Length of the 2nd cross road parallel to the breadth = 45 m
Breadth of the 2nd cross road parallel to the breadth = 5 m
Area of the 2nd cross road = 45*5 
= 225 sq m
Area of the common part of the 2 cross roads with width 5 m that lies at the center of the rectangular park = 5*5
= 25 sq m
Area of the 2 cross roads = Area of the 1st cross road + Area of the 2nd cross road - Common area
⇒ (350 + 225) - 25
⇒ 575 - 25 
= 550 sq m
Cost of constructing the roads = Rs. 105 sq m
Total cost of constructing the road = 550*105

= Rs. 57750
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Two crossroads rach of width 5m run at right angle through the centre of a rectangular park of length 70m and breadth 45m and parallel to its sides. Find the area of the roads. Also find the cost of constructing the roads at the rate of Rs 105 per m²?
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Two crossroads rach of width 5m run at right angle through the centre of a rectangular park of length 70m and breadth 45m and parallel to its sides. Find the area of the roads. Also find the cost of constructing the roads at the rate of Rs 105 per m²? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about Two crossroads rach of width 5m run at right angle through the centre of a rectangular park of length 70m and breadth 45m and parallel to its sides. Find the area of the roads. Also find the cost of constructing the roads at the rate of Rs 105 per m²? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Two crossroads rach of width 5m run at right angle through the centre of a rectangular park of length 70m and breadth 45m and parallel to its sides. Find the area of the roads. Also find the cost of constructing the roads at the rate of Rs 105 per m²?.
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