A square sheet whose perimeter is 32 cm is painted at the rate of Rs- 5 per cm 2- The cost of painting is-A- Rs-320B- Rs-550C- Rs-500D- Rs-640

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Question

A square sheet whose perimeter is 32 cm is painted at the rate of Rs. 5 per cm². The cost of painting is:

Rs.320

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Rs.550

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Rs.500

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Rs.640

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Solution

The correct option is A
Rs.320

Perimeter of rhombus = 4 x Side = 32

Side = 32/4 = 8cm
The cost of painting the square = Area of square x the rate of painting per cm².
= 64 5 = Rs. 320

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A square sheet whose perimeter is 32 cm is painted at the rate of Rs. 5 per cm2. The cost of painting is:

The correct option is A Rs.320Perimeter of rhombus = 4 x Side = 32 Side = 32/4 = 8cm The cost of painting the square = Area of square x the rate of painting per cm2. = 64 5 = Rs. 320

A square sheet whose perimeter is 32 cm is painted at the rate of Rs. 5 per cm². The cost of painting is:

The correct option is A
Rs.320

Perimeter of rhombus = 4 x Side = 32

Side = 32/4 = 8cm
The cost of painting the square = Area of square x the rate of painting per cm².
= 64 5 = Rs. 320