A cuboid shaped locker has length, breadth and height as 50 cm, 50 cm, and 2 m respectively. It has to be secured by touch sensor system which is done at Rs. 5 per 100 sq.cm. The total cost of security arrangement is____________.

Rs. 1024

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Rs. 1225

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Rs. 2250

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Rs. 1550

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Solution

The correct option is C
Rs. 2250

Total surface area of the cuboidal locker = 2(lb + bh + lh)

2 meter = 200 centimeter,

2(50 x 50 + 50 x 200 + 50 x 200) = 2(2500 + 10,000 + 10,000) = 45000 ${c m}^{3}$

Total cost to be incurred = Rs. 5 x 450 = Rs.2250

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A cuboid shaped locker has length, breadth and height as 50 cm, 50 cm, and 2 m respectively. It has to be secured by touch sensor system which is done at Rs. 5 per 100 sq.cm. The total cost of security arrangement is____________.

The correct option is C Rs. 2250 Total surface area of the cuboidal locker = 2(lb + bh + lh) 2 meter = 200 centimeter, 2(50 x 50 + 50 x 200 + 50 x 200) = 2(2500 + 10,000 + 10,000) = 45000 cm3 Total cost to be incurred = Rs. 5 x 450 = Rs.2250

The correct option is C
Rs. 2250

Total surface area of the cuboidal locker = 2(lb + bh + lh)

2 meter = 200 centimeter,

2(50 x 50 + 50 x 200 + 50 x 200) = 2(2500 + 10,000 + 10,000) = 45000 ${c m}^{3}$

Total cost to be incurred = Rs. 5 x 450 = Rs.2250