type 9 coins & rupees based ratio & proportion problems Section-Wise Topic Notes With Detailed Explanation And Example Questions
MOST IMPORTANT quantitative aptitude - 9 EXERCISES
-
199+ Ratio Proportion Basic Concepts MCQ Questions Answers »
-
Top 199+ Ratio Proportion Age Based MCQ Questions Answers »
-
159+ Ratios Proportions Addition Subtraction product MCQ »
-
199+ Ratio Proportion Income, Expenditure Problems MCQS »
-
199+ Partnership Aptitude (Ratio) MCQ Questions Answers »
-
259+ Ratio and Proportion (fractions) Aptitude MCQ Quiz »
-
199+ Ratio and Proportion Aptitude Questions Answers MCQ »
-
299+ Alligation and Mixture Problems Aptitude MCQ Quiz »
-
249+ Ratio and Proportion Coins Based Questions Answers »
The following question based on ratio & proportion topic of quantitative aptitude
(a) 77
(b) 78
(c) 66
(d) 65
The correct answers to the above question in:
Answer: (b)
Respective ratio of the number of coins
= 13 : 11 × 2 = 13 : 22
Number of 1 rupee coins
= $13/{13 + 22} × 210$
= $13/35 × 210 = 78$
Discuss Form
Read more coins and rupees based problems Based Quantitative Aptitude Questions and Answers
Question : 1
A bag contains three types of coins-rupee-coins. 50p-coins and 25 p-coins totalling 175 coins. If the total value of the coins of each kind be the same, the total amount in the bag is
a) 300
b) 126
c) 175
d) 75
Answer »Answer: (d)
Let the number of coins of 1- rupee coin be x.
Total value of the coins of each kind is same, then the number of 50 paisa coins
= 2x and the number of 25 paisa coins = 4x.
According to the question.
x + 2x + 4x = 175
7x = 175
$x = 175/7 = 25$
Total amount in bag
= 25 + 25 + 25 = Rs.75
Question : 2
The salaries of A, B and C are in the ratio 1 : 3 : 4. If the salaries are increased by 5%, 10% and 15% respectively, then the increased salaries will be in the ratio
a) 21 : 66 : 92
b) 19 : 66 : 92
c) 21 : 66 : 95
d) 20 : 66 : 95
Answer »Answer: (a)
Let the initial salaries of A, B and C be Rs.x, Rs.3x and Rs.4x respectively.
Respective ratio after corresponding increase
= ${x × 105}/100 : {3x × 110}/100 : {4x × 115}/100$
= 105 : 330 : 460
= 21 : 66 : 92
Question : 3
There are 480 coins in half rupees, quarter rupees and 10 paise coins and their values are proportional to 5 : 3 : 1. The number of coins in each case are
a) 150, 180, 150
b) 300, 90, 90
c) 50, 30, 400
d) 100, 200, 180
Answer »Answer: (a)
Ratio of values = 5 : 3 : 1
Ratio of their numbers
= 10 : 12 : 10 = 5 : 6 : 5
Number of 50 paise coins
= $5/16 × 480$ = 150
Number of 25 paise coins
= $6/16 × 480$ = 180
Number of 10 paise coins
= $5/16 × 480 = 150$
Question : 4
If 378 coins consist of rupees, 50 paise and 25 paise coins, whose values are in the ratio of 13 : 11 : 7, the number of 50 paise coins will be :
a) 136
b) 133
c) 128
d) 132
Answer »Answer: (d)
The ratio of values of rupee, 50 paise and 25 paise coins
= 13 : 11 : 7
Ratio of their numbers
= 13 × 1 : 11 × 2 : 7 × 4
= 13 : 22 : 28
Sum of the ratios
= 13 + 22 + 28 = 63
Required number of 50 paise coins
= $22/63 × 378$ = 132
Question : 5
There are 225 consisting of one rupee, 50 paise and 25 paise coins. The ratio of their numbers in that order is 8 : 5 : 3. The number of one-rupee coins is :
a) 160
b) 172
c) 112
d) 80
Answer »Answer: (a)
Ratio of the number of coins
= 8 : 5 : 3
Ratio of their values
= $8 : 5/2 : 3/4$ = 32 : 10 : 3
Sum of the ratios
= 32 + 10 + 3 = 45
Value of one rupee coins
= $32/45 × 225$ = Rs.160
Number of one rupee coins = 160
Question : 6
A bag contains 90 in coins of denominations of 50 paise, 25 paise and 10 paise. If coins of 50 paise, 25 paise and 10 paise are in the ratio 2 : 3 : 5, then the number of 25 paise coins in the bag is
a) 100
b) 135
c) 120
d) 80
Answer »Answer: (c)
Ratio of values of 50 paise, 25 paise and 10 paise coins
= $2/2 : 3/4 : 5/10$
= $1 : 3/4 : 1/2$ = 4 : 3 : 2
Sum of the ratios = 4 + 3 + 2 = 9 Value of 25 paise coins
= $3/9 × 90$ = Rs.30
Number of 25 paise coins
= 30 × 4 = 120
GET ratio & proportion PRACTICE TEST EXERCISES
type 1 basic concepts of ratio & proportion
type 2 age based ratio & proportion problems
type 3 addition subtraction product on ratio & proportion
type 4 income & expenditure based ratio & proportion problems
type 5 shares & partnership based ratio & proportion problems
type 6 fractions based ratio & proportion problems
type 7 finding sum difference product based ratio & proportion problems
type 8 alligation & mixtures based ratio & proportion problems
type 9 coins & rupees based ratio & proportion problems
ratio & proportion Shortcuts and Techniques with Examples
Verbal Reasoning
Question & Answer Quiz
Non Verbal Reasoning
Question & Answer Quiz
Quantitative Aptitude
Question & Answer Quiz
Computer MCQ
Question & Answer Quiz
General English
Question & Answer Quiz
History GK
Question & Answer Quiz
Polity GK
Question & Answer Quiz
Geography GK
Question & Answer Quiz
Economy GK
Question & Answer Quiz
General Awareness GK
Question & Answer Quiz
Recently Added Subject & Categories For All Competitive Exams
100+ Quadratic Equation Questions Answers PDF for Bank
Quadratic Equation multiple choice questions with detailed answers for IBPS RRB SO. more than 250 Attitude practice test exercises for all competitive exams
Continue Reading »
IBPS Aptitude Linear Equations MCQ Questions Answers PDF
Linear equations multiple choice questions with detailed answers for IBPS RRB SO. more than 250 Attitude practice test exercises for all competitive exams
Continue Reading »
New 100+ Compound Interest MCQ with Answers PDF for IBPS
Compound Interest verbal ability questions and answers solutions with PDF for IBPS RRB PO. Aptitude Objective MCQ Practice Exercises all competitive exams
Continue Reading »
100+ Mixture and Alligation MCQ Questions PDF for IBPS
Most importantly Mixture and Alligation multiple choice questions and answers with PDF for IBPS RRB PO. Aptitude MCQ Practice Exercises all Bank Exams
Continue Reading »