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If the sales tax reduced from 3 1/2 % to 3 1/3%, then what difference does it make to a person who purchases an article with market price of Rs. 8400 ?

A. 10

B. 12

C. 14

D. 19

Correct Answer :

B. 12


Required difference = [3 ½ % of Rs.8400] – [3 1/3 % of Rs.8400]


                                     = [(7/20-(10/3)]% of Rs.8400 =1/6 % of Rs.8400


                                     = Rs. [(1/6)8(1/100)*8400] = Rs. 14.