A dealer offers a discount of 20 and still makes a profit of 20 and he further allows 4 articles fre...........

Quantitative Aptitude ( CCS) Profit and loss

A dealer offers a discount of 20% and still makes a profit of 20% and he further allows 4 articles free on the sale of 12 articles. Find the ratio of cost price to market price.

2:3

3:2

1:2

2:1

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Explanation:

Formula : MP(1 – d%) = CP(1+g%) MP(80/100) = CP(120/100)
CP/MP = 80/120———(1)
Now, 16 articles given in the cost of 12 articles MP of one article = total /12——–(2)
CP of one article = total /16———(3)
For one article: CP/MP= (80/16)/(120/12) = 1:2