A road is made of $110$ bricks resembling parallelograms of base $15 c m$ and height $20 c m$ . Find the cost of laying the road if it costs $$ 5$ per $100 c m^{2}$ .
1650

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Solution

The correct option is A 1650
Given: Base $= 15 c m$ , Height $= 20 c m$ , Number of bricks $= 110$ , Cost $= $ 5$ per $100 c m^{2}$

Area of one brick $=$ Area of parallelogram

Area of parallelogram $=$ Base $\times$ Height

$= 15 \times 20$

$= 300 c m^{2}$

Total area of road $= 300 c m^{2} \times 110 = 33, 000 c m^{2}$

Cost per $100 c m^{2} = $ 5$

Cost of $1 c m^{2} = \frac{5}{100} = $ 0.05$

Therefore, cost of $33, 000 c m^{2} = 33, 000 \times 0.05$

$= $ 1650$

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A road is made of 110 bricks resembling parallelograms of base 15 cm and height 20 cm. Find the cost of laying the road if it costs $5 per 100 cm2.1650

A road is made of $110$ bricks resembling parallelograms of base $15 c m$ and height $20 c m$ . Find the cost of laying the road if it costs $$ 5$ per $100 c m^{2}$ .
1650