[Quiz] Aptitude - Percentage

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1. [TNPSC 2013] One Litre of water is added to 5 litres of a 20% solution of alcohol in water. the strength of alcohol in the new solution is
   
   1.  15 %
   2.  16 %
   3.  16 2/3 %
   4.  20 %
   
   
2. [TNPSC 2013] 5% income of X is equal to 15% income of Y and 10% income of Y is equal to 20% income of Z. If the income of Z is Rs.3,000 then total income of X,Y and Z in Rupees is
   
   1.  12,000
   2.  16,000
   3.  18,000
   4.  27,000
   
   
3. [TNPSC 2013] If the cost of 12 Articles is equal to the selling price of 10 Articles, the profit percent in the transaction is
   
   1.  20 %
   2.  25 %
   3.  18 %
   4.  16 2/3 %
   
   
4. [TNPSC 2013]  If A's height is 25% less than that of B, then how much percent is B's height more than that of A?
   
   1.  50 %
   2.  45 %
   3.  22 1/3 %
   4.  33 1/3 %
   
   
5. [TNPSC 2013] A table is sold for Rs. 414 at a profit of 15%. How much did it cost?
   
   1.  Rs. 400
   2.  Rs. 314
   3.  Rs. 326
   4.  Rs. 360

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