Find the cost of ploughing a rectangular farm at the rate of - 12 - m 2- having length equal to 12 m and width equal to 5 m-A- - 120B- - 240C- - 720D- - 360

The correct option is C ₹ nbsp;720 Area of rectangular field = length × breadth = 12 × 5 = nbsp;60 m^2 Cost of ploughing = Total area × cost per sq. metre ...

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Byju's Answer

Standard VII

Mathematics

Area of a Rectangle

Find the cost...

Question

Find the cost of ploughing a rectangular farm at the rate of ₹ 12/m² , having length equal to 12 m and width equal to 5 m.

₹ 120

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₹ 720

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₹ 360

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₹ 240

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Solution

The correct option is B
₹ 720

Area of rectangular field
= length $\times$ breadth
= 12 $\times$ 5
= $60 m^{2}$

Cost of ploughing
= Total area $\times$ cost per sq. metre
= $60 \times 12$
= ₹ 720

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Find the cost of ploughing a rectangular farm at the rate of ₹ 12/m2 , having length equal to 12 m and width equal to 5 m.

The correct option is B ₹ 720 Area of rectangular field = length × breadth = 12 × 5 = 60 m2 Cost of ploughing = Total area × cost per sq. metre = 60×12 = ₹ 720

Find the cost of ploughing a rectangular farm at the rate of ₹ 12/m² , having length equal to 12 m and width equal to 5 m.

The correct option is B
₹ 720

Area of rectangular field
= length $\times$ breadth
= 12 $\times$ 5
= $60 m^{2}$

Cost of ploughing
= Total area $\times$ cost per sq. metre
= $60 \times 12$
= ₹ 720