1.

Study the following times graph and answer the question on the basis: Sales of books (in thousand rupees) given in two successive years of 2010 and 2011 of five branches of a publishing company have been given. Find out the average (in thousand) of sales for all branches in 2010.

A. 72
B. 67.8
C. 66
D. 74
Answer» C. 66


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