1. When rates of oranges were decreases by 20% then a man can buy 5 more oranges in Rs.10. What is the new cost of one orange ? (Chhattisgarh PSC Exam 2017)

(a) Rs. 0.20

(b) Rs. 0.40

(c) Rs. 0.60

(d) Rs. 0.80

2. A student took five papers in an examination, where the full marks were the same for each paper. His marks in these papers were in the proportion of 6 : 7 : 8 : 9 : 10. In all papers together, the candidate obtained 60% of the total marks. Then the number of papers in which he got more than 50% marks is (CAT 2001)

(a) 1

(b) 3

(c) 4

(d) 5

(a) Rs. 0.20

(b) Rs. 0.40

(c) Rs. 0.60

(d) Rs. 0.80

2. A student took five papers in an examination, where the full marks were the same for each paper. His marks in these papers were in the proportion of 6 : 7 : 8 : 9 : 10. In all papers together, the candidate obtained 60% of the total marks. Then the number of papers in which he got more than 50% marks is (CAT 2001)

(a) 1

(b) 3

(c) 4

(d) 5

3. The rate of increases of the price of sugar is observed to be two percent more than the inflation rate expressed in percentage. The price of sugar, on January 1, 1994 is Rs. 20 per kg. The inflation rates of the years 1994 and 1995 are expected to be 8% each. The expected price of sugar on January 1, 1996 would be (CAT 1993)

(a) Rs. 23.60

(b) Rs. 24.00

(c) Rs. 24.20

(d) Rs. 24.60

4. A person's salary has increased from Rs. 7200 to Rs. 8100. What is the percentage increase in his salary ? (CDS - II 2013)

(a) 25%

(b) 18%

(c) 16.67%

(d) 12½%

5. What is 5% of 50% of 500 ? (CDS - II 2012)

(a) 12.5

(b) 25

(c) 1.25

(d) 6.25

6. If 'x' is 80% of 'y', then what percent of '2x' is 'y' ?

(a) 40%

(b) 62.5%

(c) 66.67%

(d) 80%

7. A student secures 90%, 60% and 54% marks in test papers with 100, 150 and 200 respectively as maximum marks. The percentage of his aggregate is

(a) 64

(b) 68

(c) 70

(d) None of these

8. If 20% of 'a' = 'b', then b% of 20 is same as :

(a) 4% of 'a'

(b) 5% of 'a'

(c) 20% of 'a'

(d) None of these

9. The population of a town increases by 5% annually. If its population in 2001 was 1,38,915, what it was in 1998 ?

(a) 1,00,000

(b) 1,08,000

(c) 1,10,000

(d) 1,20,000

10. A man's basic pay for a 40 hours' week is Rs. 2000. Overtime is paid at 25% above the basic rate. In a certain week, he worked overtime and his total was Rs. 3000. He therefore, worked for a total of (in hours)

(a) 52

(b) 56

(c) 58

(d) 62

11. An HR Company employs 4800 people, out of which 45% are males and 60% of the males are either 25 years or older. How many males employed in HR Company who are younger than 25 years ?

(a) 2480

(b) 2320

(c) 1278

(d) 864

12. In an examination the percentage of students qualified to the number of students appeared from school 'A' is 70%. In school 'B' the number of students appeared is 20% more than the students appeared from school 'A' and the number of students qualified from school 'B' is 50% more than the students qualified from school 'A'. What is the percentage of students qualified to the number of students appeared from school 'B' ? (LIC AAO 2005)

(a) 30%

(b) 70%

(c) 87½%

(d) 78½%

13. Two numbers are less than a third number by 30% and 37% respectively. How much percent is the second number less than the first ? (SSC 2002)

(a) 3%

(b) 4%

(c) 7%

(d) 10%

14. To a sugar solution of 3 litres containing 40% sugar, one litre of water is added. The percentage of sugar in the new solution is :

(a) 12%

(b) 15%

(c) 30%

(d) 33%

15. Due to an increase of 30% in the price of eggs, 3 eggs less are available for Rs. 7.80. The present rate of eggs per dozen is (NIFT 1997)

(a) Rs. 8.64

(b) Rs. 8.88

(c) Rs. 9.36

(d) Rs. 10.40

(a) Rs. 23.60

(b) Rs. 24.00

(c) Rs. 24.20

(d) Rs. 24.60

4. A person's salary has increased from Rs. 7200 to Rs. 8100. What is the percentage increase in his salary ? (CDS - II 2013)

(a) 25%

(b) 18%

(c) 16.67%

(d) 12½%

5. What is 5% of 50% of 500 ? (CDS - II 2012)

(a) 12.5

(b) 25

(c) 1.25

(d) 6.25

6. If 'x' is 80% of 'y', then what percent of '2x' is 'y' ?

(a) 40%

(b) 62.5%

(c) 66.67%

(d) 80%

7. A student secures 90%, 60% and 54% marks in test papers with 100, 150 and 200 respectively as maximum marks. The percentage of his aggregate is

(a) 64

(b) 68

(c) 70

(d) None of these

8. If 20% of 'a' = 'b', then b% of 20 is same as :

(a) 4% of 'a'

(b) 5% of 'a'

(c) 20% of 'a'

(d) None of these

9. The population of a town increases by 5% annually. If its population in 2001 was 1,38,915, what it was in 1998 ?

(a) 1,00,000

(b) 1,08,000

(c) 1,10,000

(d) 1,20,000

10. A man's basic pay for a 40 hours' week is Rs. 2000. Overtime is paid at 25% above the basic rate. In a certain week, he worked overtime and his total was Rs. 3000. He therefore, worked for a total of (in hours)

(a) 52

(b) 56

(c) 58

(d) 62

11. An HR Company employs 4800 people, out of which 45% are males and 60% of the males are either 25 years or older. How many males employed in HR Company who are younger than 25 years ?

(a) 2480

(b) 2320

(c) 1278

(d) 864

12. In an examination the percentage of students qualified to the number of students appeared from school 'A' is 70%. In school 'B' the number of students appeared is 20% more than the students appeared from school 'A' and the number of students qualified from school 'B' is 50% more than the students qualified from school 'A'. What is the percentage of students qualified to the number of students appeared from school 'B' ? (LIC AAO 2005)

(a) 30%

(b) 70%

(c) 87½%

(d) 78½%

13. Two numbers are less than a third number by 30% and 37% respectively. How much percent is the second number less than the first ? (SSC 2002)

(a) 3%

(b) 4%

(c) 7%

(d) 10%

14. To a sugar solution of 3 litres containing 40% sugar, one litre of water is added. The percentage of sugar in the new solution is :

(a) 12%

(b) 15%

(c) 30%

(d) 33%

15. Due to an increase of 30% in the price of eggs, 3 eggs less are available for Rs. 7.80. The present rate of eggs per dozen is (NIFT 1997)

(a) Rs. 8.64

(b) Rs. 8.88

(c) Rs. 9.36

(d) Rs. 10.40