# Percentages Practice Set 1

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# Percentages Practice Set 1

### Introduction

Percentages: A Percentage is a dimensionless ratio or number expressed as a fraction of 100. It is often denoted by the character (%).

Example: 10% = $$\frac{10}{100}$$ = $$\frac{1}{10}$$

Percentages is one of the important topic in the Quantitative Aptitude section. The article Percentages Practice Set 1 consists of different models of questions with answers useful for candidates preparing for different competitive examinations like RRB ALP/Technical Exams/Junior Engineer Recruitment Exams, SSC, IBPS PO Exams and other examinations across the globe that include Quantitative Aptitude section

### Quiz

1. What percent of 120 are 90?

A. 25%
B. 50%
C. 75%
D. 33%

Explanation:

$$\frac{?%}{100}$$ x 120 = 90
? = 75%

2. If y exceeds x by 20%, then x is less than y by?

A. 16%
B. 16$$\frac{1}{3}$$%
C. 16$$\frac{2}{3}$$%
D. 16$$\frac{3}{5}$$%

Explanation:

x = 100, y = 120
120——20
100——-? = 16$$\frac{2}{3}$$%

3. After decreasing 24% in the price of an article costs Rs.912. Find the actual cost of an article?

A. 1400
B. 1300
C. 1200
D. 1100

Explanation:

CP x $$\frac{76}{100}$$ = 912
CP = 12 x 100
CP = 1200

4. How much 60% of 50 is greater than 40% of 30?

A. 18
B. 13
C. 15
D. 20

Explanation:

$$\frac{60}{100}$$ x 50 – $$\frac{40}{100}$$ x 30
30 – 12 = 18

5. How much is 80% of 40 is greater than $$\frac{4}{5}$$ of 25?

A. 4
B. 6
C. 9
D. 12

Explanation:

$$\frac{80}{100}$$ x 40 – $$\frac{4}{5}$$ x 25
32 – 20 = 12

1. 40% of a number is more than 20% of 650 by 190. Find the number?

A. 600
B. 700
C. 800
D. 900

Explanation:

($$\frac{40}{100}$$) x – ($$\frac{20}{100}$$) x 650 = 190
$$\frac{2}{5}$$ x = 320
x = 800

2. 25% of 30% of 45% is equal to?

A. 0.03375
B. 0.3375
C. 3.375
D. 33.75

Explanation:

($$\frac{25}{100}$$) x ($$\frac{30}{100}$$) x ($$\frac{45}{100}$$)
$$\frac{1}{4}$$ x $$\frac{3}{10}$$ x $$\frac{9}{20}$$
$$\frac{27}{800}$$ = 0.03375

3. 60% of a number is added to 120, the result is the same number. Find the number?

A. 300
B. 200
C. 400
D. 500

Explanation:

($$\frac{60}{100}$$) x + 120 = x
2x = 600
x = 300

4. 85% of a number is added to 24, the result is the same number. Find the number?

A. 150
B. 140
C. 130
D. 160

Explanation:

($$\frac{85}{100}$$) x + 24 = x
3x = 480
x = 160

5. 40 is subtracted from 60% of a number, the result is 50. Find the number?

A. 150
B. 140
C. 130
D. 110

Explanation:

($$\frac{60}{100}$$) x – 40 = 50
6x = 900
x = 150

1. 96% of the population of a village is 23040. The total population of the village is?

A. 32256
B. 24000
C. 24936
D. 25640

Explanation:

x × ($$\frac{96}{100}$$) = 23040
x = 240 x 100
x = 24000

2. If the price has fallen by 10% what percent of its consumption be: increased so that the expenditure may be the same as before?

A. 11%
B. 10%
C. 11$$\frac{1}{9}$$%
D. 9$$\frac{1}{11}$$%

Explanation:

100 – 10 = 90
90 ——10
100 ——? => 11$$\frac{1}{9}$$%

3. If y exceeds x by 25%, then x is less than y by?

A. 16%
B. 16$$\frac{1}{3}$$%
C. 20%
D. 16$$\frac{3}{5}$$%

Explanation:

x = 100 y = 125
125 ——– 25
100 ——– ? => 20%

4. The salary of Mr. X is 30% more than that of Mr. Y . Find what percent of Mr. Y’s salary is less than Mr. X’s?

A. 30%
B. 25$$\frac{1}{13}$$%
C. 23$$\frac{1}{13}$$%
D. 22$$\frac{1}{13}$$%

Explanation:

y = 100 x = 130
130 ——— 30
100 ——— ? => 23$$\frac{1}{13}$$%

5. In an examination 38% of students fail in English and 61% pass in Hindi and 23% fail in both. Find the actual failure percentage?

A. 46%
B. 61%
C. 54%
D. 70%

Explanation:

15 + 23 + 16 = 54%

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### GK

General Knowledge for Competitive Examinations
Topic Name of the Article
GK – World Multinational Companies Headquarters

National Emblems

GK – India Indian Airports

Indian Men Personalities

GK – Abbreviations Indian Government Policies Abbreviations

Science Information Technology Abbreviations

GK – Banking & Insurance Banks and Headquarters