Percentage

Quant Quiz : Percentage

Dear viewers, 

Today  we have started a new initiative on  KRISHNA MOHAN in which we cover a topic from Quant in its entirety i.e. 

right from its concepts to some questions based on it. So continued from yesterday, 

we now present to you questions based on the Chapter Percentage.Hope you find them useful. Happy solving and learning!

1. In an examination, 49% students failed in English, 36% students failed in Hindi, while 15% failed in both.

 If total number of passed students is 450, then how many students did appear in the examination?

(a) 1800

(b) 2000

(c) 1100

(d) 1500

(e) None of these

2.Fresh grapes contain 80% water, while dry grapes contain 10% water. If the weight of dry grapes is 500 kg, 

then what is its total weight when it is fresh?

(a) 2350 kg

(b) 2085 kg

(c) 2255 kg

(d) 2250 kg

(e) None of the above

3.Due to a 25% increase in the price of rice per kilogram, a person is able to purchase 20 kg less for Rs. 400.

 What is the increased price of rice per kilogram?

(a) Rs. 5

(b) Rs.6

(c) Rs.10

(d) Rs.4

(e) None of the above

4. The price of rice decreases by 6.25% and because of this reduction, 

Vandana is able to buy 1 kg more for Rs. 120. Find the reduced rate of rice.

(a) Rs.7.50 per kg

(b) Rs.9 per kg

(c) Rs.5.50 per kg

(d) Rs.19 per kg

(e) None of the above

5. Wheat is now being sold at Rs. 27 per kg. During last month, its cost was Rs. 24 per kg. 

Find by how much per cent a family reduces its consumption, so as to keep the expenditure fixed.

(a) 10.2%

(b) 12.1%

(c) 12.3%

(d) 11.11%

(e) None of the above

6. In a class of 40 students and 5 teachers, each student got sweets that are 15% of the total number of students and each teacher-

 got sweets that are 20% of the total number of students. How many sweets were there?

(a) 280

(b) 240

(c) 320

(d) 360

(e) None of the above

7. The price of ghee is increased by 32%. Therefore, a family reduces its consumption, so that the increment in price of ghee is only 10%. 

If consumption of ghee is 10 kg before the increment, then what is the consumption now?

(a) 8(1/3) kg

(b) 8(1/8) kg

(c) 8(1/8) kg

(d) 9(1/7) kg

(e) None of the above

8. The expenses on wheat, meat and vegetables of a family are in the ratio 12 : 17 : 3. 

The prices of these articles are increased by 20%, 30% and 50%, respectively. 

The total expenses of the family on these articles are increased by

(a) 23(1/3)%

(b) 28(1/8)%

(c) 27(1/8)%

(d) 25(1/7)%

(e) None of the above

9. In an examination out of 480 students, 85% of the girls and 70% of the boys passed. 

How many boys appeared in the examination, if total pass percentage was 75%?

(a) 370

(b) 340

(c) 320

(d) 360

(e) None of these

10. In a class-X of 30 students, 24 passed in first class; in another class Y of 35 students, 

28 passed in first class. In which class was the percentage of students first class more?

(a) Class X has more percentage of students getting first class.

(b) Class Y has more percentage of students getting first class.

(c) Both classes have equal percentage of students getting first class

(d) both 1 and 2 

(e) None of the above

Answers with Explanation !!!!!!!!!