The dimension of rectangular compound wall of a house is 20 m long , 15m broad, 10 cm thick. Find the cost of building the walls by using bricks of size 20cm × 10cm × 5 cm where the rate of cost of bricks is Rs. 20000per 1000 bricks. 5days is required for 4 labours to finish the work and labour charge is Rs. 950 per day per labour.

Total cost of building the wall is Rs 79000.

Step-by-step explanation:

Given:

Dimension of the wall = (20×15×0.1) m

Dimension of the bricks = (0.2×0.1×0.5) m

All measurements are in meters as we know,

We have to find the cost of building the wall.

Cost of the building the wall = Cost of bricks + Cost of labor.

Before that we have to find the number of bricks required.

So,

⇒   bricks.

⇒

Cost of all 3000 bricks :

⇒

Cost of 4 labors for 5 days at the cost of Rs 950 per day:

⇒

Total cost of building the wall:

⇒

Total cost of building the wall is Rs 79000.

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step-by-step explanation:

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step-by-step explanation:

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