What is the area of the hall?
I.	Material cost of flooring per square metre is Rs. 2.50
II.	Labour cost of flooring the hall is Rs. 3500
III.	Total cost of flooring the hall is Rs. 14,500.
Pick: A) I and II only B) II and III only C) All I, II and III D) Any two of the three E) None of these
EXPLANATION   I. Material cost = Rs. 2.50 per m2   II. Labour cost = Rs. 3500.   III. Total cost = Rs. 14,500.   Let the area be A sq. metres.   Material cost = Rs. (14500 – 3500) = Rs. 11,000.   5A/2 = 11000⇔A = (11000x2/5) = 4400 m2.   Answer All I, II and III
<result>C</result>
What is the area of the hall?
I.	Material cost of flooring per square metre is Rs. 2.50
II.	Labour cost of flooring the hall is Rs. 3500
III.	Total cost of flooring the hall is Rs. 14,500.