In the table, Discount (as a percentage) is give on mark price of these five products by different sellers. Study the table and answer the following questions :

Note : 1 Some values are missing. You have to calculate these values as per data given in the questions.
2 Mark price of a particular item is same for all of the shop owners.
If the profit percentage of sellers A after sellin item II is s % and that of seller C of the same item is `(2s-4)%` and the ratio of cost price of itme II by seller A and seller C is `17:21` then find the value of s ?

Options

A. 2
B. 3
C. 4
D. 5

Answer

C

Explanation

Let MP of item -II by seller A = 100x
`:.` MP of item -II by seller C =100x
` ((100)/(100+s)xx68x)/((100)/(100+2s-4)xx84x)=(17)/(21)`
`(68)/(84)xx(96+2s)/(100+s)==(17)/(21)`
`(96+2s)/(100+s)=(1)/(1)`
96+2s=100+s`
s=4