Mathematics - Percentage - Set 1
Q.1. A person who has a certain amount with him goes to market. He can buy 50 oranges or 40 mangoes. He retains 10% of the amount for taxi fares and buys 20 mangoes and of the balance, he purchases oranges. Number of oranges he purchased is
Q.2. If m% of m + n% of n = 2% of (m x n), then what % of m is n?
(d) Cannot be determined
Q.3. On a 20% discount sale, an article costs Rs. 596. What was the original price of the article?
(a) Rs. 720
(b) Rs. 735
(c) Rs. 745
(d) Rs. 775
Q.4. What is the number whose 20% is 30% of 40?
Q.5. A person gave 20% of his income to his elder son, 30% of the remaining to the younger son and 10% of the balance he denoted to a trust. He is left with Rs.10080. His income was
(a) Rs. 50000
(b) Rs. 40000
(c) Rs. 30000
(d) Rs. 20000
Q.6. A man's working hours a day were increased by 20% and his wages per hour were increased by 15%. By how much % were his daily earnings increased?
Q.7. A man earns x% on the first Rs. 2000 and y% on the rest of his income. If he earns Rs. 700 from Rs. 4000 and Rs. 900 from Rs. 5000, of income, find x%.
(d) None of these
Q.8. If 15% of 40 is greater than 25% of a number by 2, then the number is
Q.9. A number, when 35 is subtracted from it, reduces to its 80%. What is four-fifth of that number?
Q.10. In an examination, 35% of the students passed and 455 failed. How many students appeared for the examination?
Q.11. The population of a town increased from 1,75,000 to 2,62,500 in a decade. The average percent increase of the population per year is
Q.12. Aman gave 40% of the amount he had to Rohan. Rohan in turn gave 25% of what he received from Aman to Sahil. After paying Rs. 200 to the taxi-driver out of the amount he got from Rohan, Sahil now has Rs. 600 left with him. How much amount did Aman have?
(a) Rs. 4000
(b) Rs. 8000
(c) Rs. 12000
(d) Data inadequate
Q.13. The salaries of A and B together amount to Rs. 2000. A spends 95% of his salary and B, 85% of his. If now, their saving are same, what is A's salary?
(a) Rs. 1500
(b) Rs. 1250
(c) Rs. 1600
(d) Rs. 1200
Q.14. The price of tea being increased by 20%, a man decreased his consumption of tea by 20%. By how much percent will his expenses for tea be decreased?
Q.15. In an examination, 65% students passed in Civics and 60% in History. 40% passed in both of these subjects. If 90 students failed in History and Civics both, then what is the total number of students?