A lane 180m long and 5m wide is to be paved with bricks of length 20cm and bredth 15cm.find the cost of bricks that are required at a rate of rupees
750 per thousand
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Answer:
Step-by-step explanation:
Surface area of the lane = length X width
S₁ = 180 m * 5 m = 900 m²
Surface area of a brick = length X breadth
S₂ = 20 cm * 15 cm
= 0.20 m * 0.15 m
= 0.030 m²
Number of bricks required to pave the lane
= Area of lane / Area of a brick
= S₁ / S₂
= 900 m² / 0.03 m²
= 30, 000
Cost of bricks
= cost of a thousand * number of thousands of bricks
= Rs 750 * 30,000/1000
= Rs 22, 500
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