The painter charged - 5 per m 2 to paint the wall- as shown in the figure- The dimensions of the door is 3 m - 2 m and that of the wall is 8 m - 8 m- calculate the area to be painted and the amount to be paid to the painter-A- 58 m 2- - 290B- 55 m 2- - 275C- 60 m 2- - 300D- 64 m 2- - 320

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Standard VI

Mathematics

Cost of Painting, Laminating

The painter c...

Question

The painter charged ₹ 5 per $m^{2}$ to paint the wall, as shown in the figure. The dimensions of the door is $3 m \times 2 m$ and that of the wall is $8 m \times 8 m$ , calculate the area to be painted and the amount to be paid to the painter.

$64 m^{2}, ₹ 320$

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$60 m^{2}, ₹ 300$

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$58 m^{2}, ₹ 290$

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$55 m^{2}, ₹ 275$

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Solution

The correct option is C
$58 m^{2}, ₹ 290$

Since the door is not to be painted, we have to subtract the area of door from that of wall's area.

Area of the wall $= 8 m \times 8 m = 64 m^{2}$

Area of the door $= 3 m \times 2 m = 6 m^{2}$

Area to be painted $= 64 - 6 = 58 m^{2}$

cost = ₹ 5 per $m^{2}$

Cost of painting $= 58 \times 5 = ₹ 290$

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The painter charged ₹ 5 per m2 to paint the wall, as shown in the figure. The dimensions of the door is 3 m×2 m and that of the wall is 8 m×8 m, calculate the area to be painted and the amount to be paid to the painter.

The correct option is C 58 m2, ₹ 290 Since the door is not to be painted, we have to subtract the area of door from that of wall's area. Area of the wall =8 m×8 m=64 m2 Area of the door =3 m×2 m=6 m2 Area to be painted =64−6=58 m2 cost = ₹ 5 per m2 Cost of painting =58×5=₹ 290

The painter charged ₹ 5 per $m^{2}$ to paint the wall, as shown in the figure. The dimensions of the door is $3 m \times 2 m$ and that of the wall is $8 m \times 8 m$ , calculate the area to be painted and the amount to be paid to the painter.