Question

Shahid wants to cover his terrace with painted square tiles of side 14 cm. If his terrace measures 2.8 m by 10.5 m, how many tiles does he need? The tiles cost Rs 8.50 each. How much will he save by paving the terrace with plain square tiles that measure 17.5 cm and cost the same? plain square tiles all of the same size
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Answer 1

Step-by-step explanation:

Correct option is B)

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.