If the cost price of Q and S is same then selling price of S is how much less than the selling price...........

Quantitative Aptitude ( CCS) Bar Graph

Direction : Refer to the graphs and answer the following questions.
The first bar graph shows the marked up price of articles with respect to their cost price and the second bar graph shows the discount % given in respective articles.

If the cost price of Q and S is same, then selling price of S is how much % less than the selling price of Q?

79%

63%

82%

67%

Cannot be determined

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Explanation:

Let CP of Q = CP of S = Rs 100
p% of Q = 8% [from Question 1]
So SP of Q = 108% of 100 = Rs 108
For S: using MP = (100+p%)/(100-d%) * CP
200% of CP = (100+p%)/(100-80) * CP
p = -60%, so there is a loss of 60%
So SP of S = 40% of 100 = Rs 40
Now SP of Q = Rs 108 and SP of S = Rs 40
Required % = (108-40)/108 * 100 = 63%