PERCENTAGE SET 06
1. A watermelon weighing 20 kg contains 96% of water by weight. It is put in sun for some time and some water evaporates so that now it contains only 95% of water by weight. The new weight of watermelon would be?
A) 17 kg B) 15 kg C) 18.5 kg D) 16 kg E) 18 kg
2. If the price of wheat is reduced by 2%. How many kilograms of wheat a person can buy with the same money which was earlier sufficient to buy 49 kg of wheat?
2. If the price of wheat is reduced by 2%. How many kilograms of wheat a person can buy with the same money which was earlier sufficient to buy 49 kg of wheat?
A) 58 kg B) 60 kg C) 52 kg D) 55 kg E) 50 kg
3. Monthly salary of A is 30% more than B’s monthly salary and B’s monthly salary is 20% less than C’s. If the difference between the monthly salaries of A and C is Rs 800, then find the annual salary of B.
3. Monthly salary of A is 30% more than B’s monthly salary and B’s monthly salary is 20% less than C’s. If the difference between the monthly salaries of A and C is Rs 800, then find the annual salary of B.
A) Rs 14,500 B) Rs 16,800 C) Rs 15,000 D) Rs 16,000 E) None of these
4. Mixture 1 contains 20% of water and mixture 2 contains 35% of water. 10 parts from 1st mixture and 4 parts from 2nd mixture is taken and put in a glass. What is the percentage of water in the new mixture of glass?
4. Mixture 1 contains 20% of water and mixture 2 contains 35% of water. 10 parts from 1st mixture and 4 parts from 2nd mixture is taken and put in a glass. What is the percentage of water in the new mixture of glass?
A) 17 (5/7)% B) 24 (2/7)% C) 28 (1/5)% D) 24 (1/7)% E) 18 (2/7)%
5. 3 years ago the population of a town was 1,60,000. In the three respective years the population increased by 3%, 2.5% and 5% respectively. What is the population of town after 3 years?
5. 3 years ago the population of a town was 1,60,000. In the three respective years the population increased by 3%, 2.5% and 5% respectively. What is the population of town after 3 years?
A) 1,77,366 B) 1,66,733 C) 1,76,736 D) 1,80,766 E) 1,69,766
6. There are 2500 students who appeared for an examination. Out of these, 35% students failed in 1 subject and 42% in other subject and 15% of students failed in both the subjects. How many of the students passed in either of the 2 subjects but not in both?
6. There are 2500 students who appeared for an examination. Out of these, 35% students failed in 1 subject and 42% in other subject and 15% of students failed in both the subjects. How many of the students passed in either of the 2 subjects but not in both?
A) 1925 B) 1175 C) 1275 D) 1100 E)1800
7. A bucket is filled with water such that the weight of bucket alone is 25% its weight when it is filled with water. Now some of the water is removed from the bucket and now the weight of bucket along with remaining water is 50% of the original total weight. What part of the water was removed from the bucket?
7. A bucket is filled with water such that the weight of bucket alone is 25% its weight when it is filled with water. Now some of the water is removed from the bucket and now the weight of bucket along with remaining water is 50% of the original total weight. What part of the water was removed from the bucket?
A) 2/5 B) ¼ C) 2/3 D) ½ E) 1/3
8. In a survey done by a committee, it was found that 4000 people have smoking habit. After a month this number rose by 5%. However due to continuous advices given by the committee to the people, the number reduced by 5% in the next month and further by 10% in the next month. What is the total number of smokers after 3 months?
8. In a survey done by a committee, it was found that 4000 people have smoking habit. After a month this number rose by 5%. However due to continuous advices given by the committee to the people, the number reduced by 5% in the next month and further by 10% in the next month. What is the total number of smokers after 3 months?
A) 3457 B) 3491 C) 3578 D) 3591 E) 3500
9. There are 5000 students in a school. The next year it was found that the number of boys and girls increased by 10% and 15% respectively making the total number of students in school as 5600. Find the number of girls originally in the school?
9. There are 5000 students in a school. The next year it was found that the number of boys and girls increased by 10% and 15% respectively making the total number of students in school as 5600. Find the number of girls originally in the school?
A) 4500 B) 2000 C) 3000 D) Cannot be determined E) None of these
10. If the price of an article is increased by 15%, then by how much the household should decrease their consumption so as to keep his expenditure same.
10. If the price of an article is increased by 15%, then by how much the household should decrease their consumption so as to keep his expenditure same.
A. 13(1/23)% B. 13(2/23)% C. 11(1/23)% D. 11(2/23)% E. None of these
Answer Keys:
1.D
2.E
3.E
4.B
5.A
6.B
7.C
8.D
9.B
10.A
Answer Keys:
1.D
2.E
3.E
4.B
5.A
6.B
7.C
8.D
9.B
10.A
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