Symbiosis National Aptitude Test SNAP 2016 Paper

Question : 20 of 150

Marks: +1, -0

By selling 18 articles, a shopkeeper earns the cost price of 24 articles. By what percent should he increase the selling price so that by selling 24 articles, he earns cost price of 36 articles?

10%
20%
12.5%
25%

Validate

Solution:

Since, 18 SP = 24 CP.
Therefore, SP = 1.33 CP or profit % = 33.33%.
So, if initial CP = ₹ 100, then initially, he is selling the articles at ₹ 133.33.
Now, in new case, 24 SP = 36 CP,
then SP = 1.5 CP or new profit% = 50%.
So, new SP will be ₹ 150.
Therefore, increase in SP will be

{150-133.33}/{133.33} × 100

{16.66}/{133.33} × 100

= 12.5 %

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