A printer quotes a price of Tk. 7500 for printing 1000 copies of a booklet and Tk. 15000 for printing of 2500 copies of it. Assuming a linear relationship, determine the total cost for printing 2000 copies.

A    11500

B    Tk. 12000

C    Tk. 12500

D    Tk. 14000

Solution

Correct Answer: Option C

 

cost for printing 1000 copies is 7500 tk cost for printing 2500 copies is 15000 tk so, cost for printing (2500-1000)=1500 copies is (15000-7500) tk =7500 tk here, cost for printing 1500 copies is 7500 tk cost for printing    1     copies is 7500/1500 tk cost for printing 1000 copies is 7500 x 1000/1500 tk=5000 tk

 

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