If a new shop D come now and started selling article III with some percent discount whose amount is ...........

Quantitative Aptitude ( CCS) Data Table

There are three shops A,B and C which sells different articles namely I , II III , IV and V respectively.the discount offered by each shops on different articles is given in the table.
NOTE: THE MARKED PRICE OF AN ARTICLE IS SAME IN ALL SHOPS

Articles	Disc. % by shop A	Disc. % by shop B	Disc. % by shop C
I	26%	28%	34%
II	14%	--	28%
II	--	12%	--
IV	26%	34%	--
V	--	--	24%

If a new shop D come now and started selling article III with some percent discount whose amount is equal to the amount of discount offered by shop C in article II (given that MP decided by shop D is66 2/ 3 % more than that by shop c ).Find the percentage of discount offered by shop D.

18.66 %

18.33%

15%

17%

23%

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Explanation:

MP II is the market price of article II and (MPD ) is the market price of D
Given,
26% of MP_II= x% (MP_D) .......(i)
suppose if market price of article II by shop C is 100% then, for shop D will be
(MP_D) is 100 + 66 2/3% = 500/3% of MP_C
(MP_D) / MP_C= 500/300 = 5/3
so, substituting this in the equation (1)
We get 100 cancelled,
26 (MP_II) = x(MP_D)
(MP_D?) 26 8 3/5 = x
x = 15.35
So, 15 is the nearest in the options,
Hence, option 3 is the correct answer.