Question

4.The cost of carpeting a square hall is Rs.225 at the rate of Rs.5 per meter sq.find out the area of the hall.
ANSWER CORRECTLY OR I'LL REPORT U​

Answer 1

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Correct option is

B

7.5m

Cost of flooring per square meter = Rs.8.50

⇒ Total cost of flooring of room = Rs.510

∴ Area of the room =

8.50

510

=60m

2

⇒ Area of the room = l×b

⇒ 60=8×b

∴ b=

8

60

=7.5m.

∴ Breadth of the rioom is 7.5m.