**Dear maths lovers, Let your practice begins in minuteness but ends in magnificence.It is impossible to study maths properly by just reading and listening. So,practise,practise & more practise.For that, we are providing here Quant Quiz of 15 questions on Percentage, in accordance with the syllabus of SSC CGL.We have also provided Study Notes on all the topics.**

**Q1. In a college, 40% of the students were allotted group A, 75% of the remaining were given group B and the remaining 12 students were given group C. Then the number of students who applied for the group is:**

(a) 100

(b) 60

(c) 80

(d) 90

**Q2. The income of C is 20% more than B’s and the income of B is 25% more than A’s. Find by how much percent is C’s income more than A’s?**

(a) 150%

(b) 50%

(c) 25%

(d) 35%

**Q3. Rihana spends 40% of her salary on food, 20% on house rent, 10% on entertainment and 10% on conveyance. If her savings at the end of the month are Rs. 1500, then her salary per month (in Rs.) is:**

(a) Rs. 8000

(b) Rs. 7500

(c) Rs. 6000

(d) Rs. 10000

**Q4. The ratio of the number of boys and girls in a college is 3: 2. If 20% of boys and 25% of girls are adults, the percentage of those students who are not adults, is:**

(a) 58%

(b) 67.5%

(c) 78%

(d) 82.5%

**Q5. The prices of a school bag and a shoe are in the ratio 7: 5. The price of a school bag is Rs. 200 more than the price of a shoe. Then the price of a shoe is:**

(a) Rs. 200

(b) Rs. 700

(c) Rs. 500

(d) Rs. 1.200

**Q6. How much water must be added to 100 ml of 80 percent solution of acetic acid to reduce it to a 50 per cent solution?**

(a) 30 ml

(b) 40 ml

(c) 50 ml

(d) 60 ml

**Q7. In what ratio must 25% of alcohol be mixed with 50% of alcohol to get a mixture of 40% strength alcohol?**

(a) 1: 2

(b) 2: 1

(c) 2: 3

(d) 3: 2

**Q8. The price of a commodity has increased by 60%. By what percent must a consumer reduce the consumption of the commodity so as not to increase the expenditure?**

(a) 37%

(b) 37.5%

(c) 40.5%

(d) 60%

**Q9. In an examination, a candidate must secure 40% marks to pass. A candidate, who gets 220 marks, fails by 20 marks. What are the maximum marks for the examination?**

(a) 1200

(b) 800

(c) 600

(d) 450

**Q10. In an examination, 60% of the students pass in English, 70% pass in Hindi and 40% pass in both. What percent of students fails in both English and Hindi?**

(a) 10%

(b) 20%

(c) 25%

(d) 30%

**Q11. Salary of a person in first increased by 20%, then it is decreased by 20%. Percentage change in his salary is:**

(a) 4% decreased

(b) 4% increased

(c) 8% decreased

(d) 20% decreased

**Q12. In an election between two candidates, 75% of the voters cast their votes, out of which 2% votes were declared invalid. A candidate got 9261 votes which were 75% of the valid votes. The total number of voters enrolled in that election was:**

(a) 16000

(b) 16400

(c) 16800

(d) 18000

**Q13. In a town, the population was 8000. In one year, the male population increased by 10% and the female population increased by 8% but the total population increased by 9%. The number of males in the town was:**

(a) 4000

(b) 4500

(c) 5000

(d) 6000

**Q14. A reduction of 25% in the price of rice enables a person to buy 10 kg more rice for Rs. 600. The reduced per kg price of rice is:**

(a) Rs. 30

(b) Rs. 25

(c) Rs. 20

(d) Rs. 15

**Q15. Two numbers are respectively 10% and 25% more than a third number. What percent is the first of the second?**

(a) 88%

(b) 65%

(c) 75%

(d) 80%

**Solutions**

S3. Ans.(b)

Sol. 100% –

40% – 20% – 10% – 10% = 20%

40% – 20% – 10% – 10% = 20%

Saving = 20%

20% → Rs.

1500

1500

100% → Rs.

7500

7500

S5. Ans.(c)

Sol. Bag :

Shoe = 7 : 5

Shoe = 7 : 5

Difference =

2 ratio

2 ratio

2r → 200

1r → 100

5r → 500