Model 3 Successive Discount Practice Questions Answers Test With Solutions & More Shortcuts

Question : 1

Successive discounts of 10% and 30% are equivalent to a single discount of :

a) 37%

b) 38%

c) 40%

d) 35%

Answer: (a)

Using Rule 5,

Equivalent discount

= 30 + 10 - ${30 × 10}/100$ = 37%

Question : 2

The equivalent single discount for two successive discounts of 15% and 10% is

a) 20.5%

b) 23.5%

c) 25%

d) 20%

Answer: (b)

Trick :

Equivalent discount

= $(15 + 10 - {15 × 10}/100)%$ = 23.5%

Question : 3

A company offers three types of successive discounts : (i) 25% and 15%, (ii) 30% and 10%, (iii) 35% and 5%. Which offer is the best for a customer?

a) Any one; all are equally good

b) Third offer

c) First offer

d) Second offer

Answer: (b)

Using Rule 5,

(i) : Equivalent discount

= $(25 + 15 - {25 × 15}/100)$%

= (40 - 3.75) % = 36.25%

(ii) : Equivalent discount

= $(30 + 10 - {30 × 10}/100)$%

= (40 - 3) % = 37%

(iii) : Equivalent discount

= $(35 + 5 - {35 × 5}/100)$%

= (40 - 1.75) % = 38.25%

Clearly, third offer is best for a customer

Question : 4 [SSC SO 2003]

Applied to a bill for Rs.1,00,000 the difference between a discount of 40% and two successive discounts of 36% and 4% is :

a) Rs.4,000

b) Rs.2,500

c) Nil

d) Rs.1,440

Answer: (d)

Using Rule 5,
(Special Case) : When two successive disounts are given, then overall discount is =$(D_1 + D_2 - {D_1D_2}/100)%$

Successive discounts of 36% and 4% is overall equals to

= $(36 + 4 - {36 × 4}/100)%$ = 38.56%

Percentage difference

= 40 - 38.56 = 1.44%

Difference between discount

= 1.44% of 100000

= ${1.44 × 100000}/100$ = Rs.1440

Question : 5 [SSC Investigator 2010]

Two successive discounts of 20% and 20% is equivalent to a single discount of

a) 34%

b) 36%

c) 42%

d) 40%

Answer: (b)

Using Rule 5,

Equivalent single discount

= $(20 + 20 - {20 × 20}/100)$% = 36%

IMPORTANT QUANTITATIVE APTITUDE EXERCISES

Model 3 Successive Discount Shortcuts »

Click to Read...

Model 3 Successive Discount Online Quiz

Click to Start..

Recently Added Subject & Categories For All Competitive Exams

Top Compound Interest MCQ Questions, PDF IBPS RRB CLERK

Important Compound Interest Questions and Detailed Answers, PDF for IBPS RRB CLERK. Aptitude Practice Test Series for all Banks, Govt and Competitive Exams

20-Sep-2024 by Careericons

Continue Reading »

Top 100+ Profit Loss MCQ Questions, PDF IBPS RRB CLERK

Important Profit Loss Questions and Detailed Answers, PDF for IBPS RRB CLERK. Aptitude Practice Test Series for all Banks, Govt and Competitive Exams

20-Sep-2024 by Careericons

Continue Reading »

Top 100+ Spelling Test MCQ Questions, PDF IBPS RRB CLERK

Important Spelling Test Questions and Detailed Answers, PDF for IBPS RRB CLERK. English Practice Test Series for all Banks, Govt and Competitive Exams

20-Sep-2024 by Careericons

Continue Reading »

Top One Word Substitution Questions, PDF IBPS RRB CLERK

Important One Word Substitution Questions and Detailed Answers, PDF for IBPS RRB CLERK. English Practice Test Series for Banks, Govt and Competitive Exams

20-Sep-2024 by Careericons

Continue Reading »