model 5 income & expenditure Practice Questions Answers Test with Solutions & More Shortcuts

percentage PRACTICE TEST [11 - EXERCISES]

model 1 simple percentage questions

model 2 net increase or decrease in %

model 3 reducing & exceeding prices

model 4 x & y comparison

model 5 income & expenditure

model 6 consumption & remaining

model 7 marks scored in examinations

Model 8 population based

model 9 voters & election

model 10 percentage with allegations & mixture

model 11 percentage with ratios

percentage Important Formulas, Rules, Concepts & Shortcuts

Question : 11 [SSC CPO S.I.2003]

If the monthly salary of an employee is increased by 2$2/3$% , he gets 72 rupees more. His monthly salary (in rupees) is

a) 2700

b) 3600

c) 7200

d) 2000

Shortcut »

Answer: (a)

Suppose monthly income = Rs.x

Then, $8/3$% of x = 72

x × $8/300$ = 72

${72× 300}/8$ = Rs.2700

Question : 12 [SSC Investigater 2010]

Income of A is 10% more than income of B. Let B's income be x% less than A's income. Find x.

a) 11%

b) 10$1/11$%

c) 9$1/11$%

d) 10%

Shortcut »

Answer: (c)

Using Rule 8,

Simple method

x = $(10/{100 + 10} × 100)$%

= $(1000/110)% = (100/11)% = 9{1}/11%$

Note : If A is r% more than B, then B is

$(r/{100 + r} × 100)$% less than A

Question : 13 [SSC CISF ASI 2010]

A's salary is 40% of B's salary and B's salary is 25% of C's salary. What percentage of C's salary is A's salary ?

a) 15%

b) 10%

c) 5%

d) 20%

Shortcut »

Answer: (b)

Let B's salary = Rs.100

C's salary = Rs.400

and A's salary = Rs.40

Required percentage = $40/400 ×100$ = 10%

Question : 14

A person gave 20% of his income to his elder son, 30% of the remaining to the younger son and 10% of the balance, he donated to a trust. He is left with Rs.10080. His income was :

a) Rs.30000

b) Rs.40000

c) Rs.50000

d) Rs.20000

Shortcut »

Answer: (d)

Let income be Rs.100

Sum given to elder son = 20% of Rs.100 = Rs.20

Remaining Sum = Rs. 80

Sum given to younger son = 30% of Rs.80 = Rs.24

Remaining sum = Rs.(80 – 24) = Rs. 56

Sum given to the trust = 10% of Rs.56 = Rs.5.6

Remaining sum = Rs.(56 – 5.6) = Rs.50.4

When Rs.50.4 remains, total income = Rs.100

When Rs.10080 remains, total income = ${100 × 10080}/50.4$ = Rs.20000

Using Rule 20,

If a person saves ‘R' rupees after spending x% on food, y% on cloth and z% on entertainment of his income then,

Monthly income = $100/{100 - (x + y +z)}× R$

Here, R = Rs.10080; x = 20%, y = 30%, and z = 10%

Monthly income = $100/{100 – (20 +24 + 5.6)} ×10080$

= $1008000/{100 – 49.6} = 1008000/50.4 = 20,000$

Question : 15

If 60% of A's income is equal to 75% of B's income, then B's income is equal to x% of A's income. The value of x is :

a) 80

b) 60

c) 70

d) 90

Shortcut »

Answer: (a)

Let A's income = Rs.a

and B's income = Rs.b

a × 60% = b × 75%

a × 4 = 5 × b

$b/a = 4/5$

Now, b = a × x%

$b/a = x/100 ⇒ x/100 = 4/5$

$x = 4/5×$ 100 = 80

IMPORTANT quantitative aptitude EXERCISES

model 5 income & expenditure Shortcuts »

Click to Read...

model 5 income & expenditure Online Quiz

Click to Start..
percentage Shortcuts and Techniques with Examples
quantitative aptitude CATEGORIES
RECENT BLOGS
SSC CHSL Exam Centres 2023 Tier 1 & 2: State-Wise Apply Link
SSC CHSL Exam Centres 2023 Tier 1 & 2: State-Wise Apply Link Read more...
SSC CHSL 2023 Tier 2: Syllabus PDF & Exam Pattern [Changed]
SSC CHSL 2023 Tier 2: Syllabus PDF & Exam Pattern [Changed] Read more...
SSC CHSL Tier 1 Revised Syllabus 2023 & New Topics List PDF
SSC CHSL Tier 1 Revised Syllabus 2023 & New Topics List PDF Read more...
SSC CHSL 2023 Tier 2 New Revised Exam Pattern & Syllabus PDF
SSC CHSL 2023 Tier 2 New Revised Exam Pattern & Syllabus PDF Read more...

Recently Added Subject & Categories For All Competitive Exams

New 150+ Percentage Questions For IBPS Clerk Prelims 2024

Free Top Percentage Quants Aptitude based Multiple Choice Questions and Answers Practice Test Series, Quiz PDF & Mock Test for IBPS Clerk Prelims 2024 Exam

04-May-2024 by Careericons

Continue Reading »

Classification Reasoning MCQ For IBPS Clerk Prelims 2024

Most Important 100+ Classification based Verbal Reasoning Ability Multiple choice questions and answers PDF, Free New Mock tests For IBPS Clerk Prelims 2024

03-May-2024 by Careericons

Continue Reading »

Ratio and Proportion Questions with Solutions, IBPS Clerk

New Ratio and Proportion Quants Aptitude based Multiple Choice Questions and Answers Practice Test Series, Quiz & Mock Test for IBPS Clerk Prelims 2024 Exam

02-May-2024 by Careericons

Continue Reading »

Top Analogy Reasoning Ability For IBPS Clerk Prelims 2024

Most Important Analogy based Verbal Reasoning Multiple choice questions and answers practice quiz series PDF, Free New Mock tests For IBPS Clerk Prelims 2024

01-May-2024 by Careericons

Continue Reading »