Around a rectangular garden of length 10 m and width 5 m , a road 1 m wide is laid. The cost of metalling the road at the of Rs. 200 per $m^{2}$ is

Rs. 3400

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Rs. 6000

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Rs. 6800

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Rs. 13200

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Solution

The correct option is B Rs. 6800
Area of road
$= 12 \times 1 + 12 \times 1 + 5 \times 1 + 5 \times 1$
$= 24 + 10 = 34 m^{2}$
cost $= R s . 200 m^{2}$
$\Rightarrow c o s t = 34 \times 200 = R s . 6800 R s .$

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Around a rectangular garden of length 10 m and width 5 m , a road 1 m wide is laid. The cost of metalling the road at the of Rs. 200 per m2 is

The correct option is B Rs. 6800Area of road=12×1+12×1+5×1+5×1=24+10=34m2cost =Rs.200m2⇒cost=34×200=Rs.6800Rs.

Around a rectangular garden of length 10 m and width 5 m , a road 1 m wide is laid. The cost of metalling the road at the of Rs. 200 per $m^{2}$ is

The correct option is B Rs. 6800
Area of road
$= 12 \times 1 + 12 \times 1 + 5 \times 1 + 5 \times 1$
$= 24 + 10 = 34 m^{2}$
cost $= R s . 200 m^{2}$
$\Rightarrow c o s t = 34 \times 200 = R s . 6800 R s .$