What is price of a pair of sandles is decreased by 10% the number of pair sold incresed by 20%. What is net effect on sells ?



What is price of a pair of sandles is decreased by 10% the number of pair sold incresed by 20%. What is net effect on sells?

A. 8 % decreases

B. 10 % decreases

C. 8 % increases

D. 10 % increases

Answer : D. 8 % increases


Explanation:

    Let the original price be Rs. 100.
    New final price = 120 % of (90 % of Rs. 100)
    = Rs. (120/100 * 90/100 * 100)
    = Rs. 108.
    Increase = 8%


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