Discussion :: Profit and Loss

A man mixes two types of rice (X and Y) and sells the mixture at the rate of Rs. 17 per kg. Find his profit percentage.
I.
The rate of X is Rs. 20 per kg.
II.
The rate of Y is Rs. 13 per kg.
A.


B.


C.
Either I or II alone sufficient to answer 

D.
Both I and II are not sufficient to answer 

E.
Both I and II are necessary to answer 
Answer : Option D
Explanation :
The ratio, in which X and Y are mixed, is not given.
So, both I and II together cannot give the answer.
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