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

The correct option is B Rs.720 Area of rectangular field = length × breadth = 12 × 5 = 60 m2. Cost of ploughing = Tota ...

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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 whose length is 12 m and width is 5 m.

Rs.120

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Rs.720

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Rs.360

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Rs. 240

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Solution

The correct option is B
Rs.720

Area of rectangular field = length $\times$ breadth = 12 $\times$ 5
= 60 m².

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

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Find the cost of ploughing a rectangular farm at the rate of ₹ 12/m2 whose length is 12 m and width is 5 m.

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

Find the cost of ploughing a rectangular farm at the rate of ₹ 12/m² whose length is 12 m and width is 5 m.

The correct option is B
Rs.720

Area of rectangular field = length $\times$ breadth = 12 $\times$ 5
= 60 m².

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