A rectangular floor that measures 8 meters by 10 meters is to be covered with carper that each measure 2 meters by 2 meters. If the carpet cost Tk. 12 a piece, what is the total cost to cover the floor?

A Tk. 200
B Tk. 240
C Tk. 480
D Tk. 960

Correct Answer: Tk. 240

area of rectangular floor = 8*10 = 80 meter-meterarea of carpet = 2*2 = 4 meter-meternumber of carpet needed = 80/4 = 20So, the total cost to cover the floor = 20*12 = 240 tk (Ans) 
Bissoy MCQ
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