Question

What is the cost of painting a hall whose area is 729 square metre if the rate of painting per square metre is rs. 28?

Answer 1

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here...
it is given..
What is the cost of painting a hall whose area is 729 square metre if the rate of painting per square metre is rs. 28?
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we know that ...
cost of penting
= area × cost of per square unit are
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here it is given...
area =729 m^2
cost per unit area
= rs 28
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so....
total cost
=28×729
=20412
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rs 20412 is total cost of panting ...
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rs 20412 is answer of the question
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Answer 2

1 m² = Rs 28 (Given)

Find the cost of painting 729 m²:

1 m² = Rs 28

729 m² = 28 x 729 = Rs 20,412

Answer: it costs Rs 20,412 to paint the hall.