QBM017

Q1. The average marks of a student 10 paper are 80. If the heighest and the lowest are not considered, the average is 81. If the highest score is 92, find the lowest? (CAT 1997) Q2. Ram purchased a flat at Rs. 1 lakh and Prem purchased a plot of land worth Rs. 1.1 lakh. The respective annual rates at which the prices of the flat and the plot increased were 10% and 5%. After two year, they exchanged their belongings and one paid the other the difference. ( CAT 1995)Then: a. Ram paid Rs. 275 to prem b. Ram paid Rs. 475 to prem c. Ram paid Rs. 375 to prem d. prem paid Rs. 275 to Ram Q3. Amit sells 36 apples per rupee and suffers a loss of 4%. Find out that how many apples Amit should sell to make gain 8% ? Q4. The average of odd numbers upto 100 is: Q5. A person saves 6% of his income. Two years later, his income shoots up by 15% but his savings remain the same. Find the hike in his expenditure. Q6. Two numbers X and Y are 20% and 28% less than a third number Z. Find by what percentage is the number Y less than the number X? Q7. Out of three numbers, the first is twice the second and is half of the third. If the average of the three numbers is 56, the three numbers in order are Q8. A man invests Rs. 3,000 at the rate of 5% per annum . How much more should he invest at the rate 8%, so that he can earn a total of 6% per annum? (CAT 1995) Q9. The rate of inflation was 1000%. Then, what will be the cost of an article, which costs 6 units of currency now, 2 years from now. ( CAT 1995) Q10. For a certain article if discount is 25% the profit is 25% , if the discount is 10% then profit is ? Q11. The average of 30 results is 20 and the average of other 20 results is 30. What is the average of all the results? Q12. A shopkeeper sells 10 oranges for a rupee. Thereby he gains 40%. Find out how many oranges did he buy for a rupee? Q13. A vendor sells 60 percent of apples he had and throws away 15 percent of the remainder. Next day he sells 50 percent of the remainder and throws away the rest. What percent of his apples does the vendor throw?