Question

find the cost of flooring a square room at rupees 150 per square metre if the length of each side of room is 6 metre​

Answer 1

Answer:

ANSWER

Step-by-step explanation:

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

IRZETEX♥

∴ b=

8

60

=7.5m.