Question

The cost of flooring a rectangular hall at * 64 per square metre is * 2,048. If the breadth of
the hall is 5 m, find :
(i) its length
(ii) its perimeter
(iii) cost of fixing a border of very small width along its boundary at the rate of 60 per
metre.​

Answer 1

Answer:

Cost of flooring =Rs64

Total cost of flooring =Rs2048

Breadth =5m

⇒

(a) l×b×64=2048

l×5×64=2048

l=

5

32

=6.4m

(b) perimeter = 2(l+b)=2(6.4+5)

=2(11.4)=22.8m

(c) cost of fixing border ⇒ Area of hall× Rs 60m

=Rs60×32

=Rs1920

Step-by-step explanation:

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