Find the cost of carpeting a room 13 m long and 9 m broad with a carpet 75 cm wide at the rate of Rs. 12.40 per square metre.  Answers:
A) Rs. 1943.40
B) Rs. 1934.40
C) Rs. 1394.40
D) Rs. 1493.40
E) None of them
Area of the carpet = Area of the room = (13 * 9) m2 = 117 m2.   Length of the carpet = (area/width) = 117 *(4/3)= 
<gadget id="calculator">117 *(4/3)</gadget>
<output>156</output>
156 m.   Therefore, Cost of carpeting= Rs. (156 * 12.40) = Rs. 1934.40.   Answer is Rs. 1934.40
<result>B</result>
Find the cost of carpeting a room 13 m long and 9 m broad with a carpet 75 cm wide at the rate of Rs. 12.40 per square metre.