APTITUDE Problems On Percentages

November 26th, 2010 by Nagesh Leave a reply »
1. Evaluate the following: 28% of 450 + 45% of 280 ?





2. ½ is what percent of 1/3?





3. 2 is what percent of 50?





4. Which is the greatest in 16 2/3 %, 2/15,0.17?





5. A rejects 0.08% of the meters as defective .How many will he examine to reject 2?





6. Difference of two numbers is 1660.If 7.5 % of one number is 12.5% of the other number. Find two numbers?





7. In an election between two persons ,75% of the voters cast their votes out of which 2% are invalid. A got 9261 which 75% of the total valid votes. Find total number of votes?





8. If the price of tea is increased by 20% ,find how much percent must a householder reduce her consumption of tea so as not to increase the expenditure?





9. 1 liter of water is add to 5 liters of a 20 % solution of alcohol in water . Find the strength of alcohol in new solution?





10. A school has only three classes which contain 40,50,60 students respectively . The pass percent of these classes are 10, 20 and 10 respectively . Then find the pass percent in the school.







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