Ratio And Proportion - MCQ 5

# Ratio And Proportion - MCQ 5

Test Description

## 20 Questions MCQ Test Quantitative Aptitude for Competitive Examinations | Ratio And Proportion - MCQ 5

Ratio And Proportion - MCQ 5 for Quant 2022 is part of Quantitative Aptitude for Competitive Examinations preparation. The Ratio And Proportion - MCQ 5 questions and answers have been prepared according to the Quant exam syllabus.The Ratio And Proportion - MCQ 5 MCQs are made for Quant 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Ratio And Proportion - MCQ 5 below.
Solutions of Ratio And Proportion - MCQ 5 questions in English are available as part of our Quantitative Aptitude for Competitive Examinations for Quant & Ratio And Proportion - MCQ 5 solutions in Hindi for Quantitative Aptitude for Competitive Examinations course. Download more important topics, notes, lectures and mock test series for Quant Exam by signing up for free. Attempt Ratio And Proportion - MCQ 5 | 20 questions in 15 minutes | Mock test for Quant preparation | Free important questions MCQ to study Quantitative Aptitude for Competitive Examinations for Quant Exam | Download free PDF with solutions
 1 Crore+ students have signed up on EduRev. Have you?
Ratio And Proportion - MCQ 5 - Question 1

### Find out the third proportion of the term 12 and 24

Detailed Solution for Ratio And Proportion - MCQ 5 - Question 1

C)48
Explanation : 12:24 :: 24 : ?
? = (24*24)/12 = 48

Ratio And Proportion - MCQ 5 - Question 2

### If a:b = 2:3, b:c = 6:5 and c:d = 3:5 then find the value of a:b:c:d

Detailed Solution for Ratio And Proportion - MCQ 5 - Question 2

B) 12:18:15:25
Explanation : a:b = 2:3 = 12:18 b:c = 6:5 = 18:15 c:d = 3:5 = 15 :25 a:b:c:d = 12:18:15:25

Ratio And Proportion - MCQ 5 - Question 3

### If x:y = 4:7, the  value of (x + y ) /(x – y ) = ?

Detailed Solution for Ratio And Proportion - MCQ 5 - Question 3

D) -65/33
Explanation : X = 4a; y = 7a (x + y ) /(x – y ) = (4a) + (7a) / (4a) – (7a) = a (16+49)/ a (16-49) = -65/33

Ratio And Proportion - MCQ 5 - Question 4

The ratio of boys and girls in the school is 7:9 when 22 new boys  are joined in this school  then the ratio become 9:10.How many girls in this school ?

Detailed Solution for Ratio And Proportion - MCQ 5 - Question 4

A)180
Explanation : 7x+22/9x = 9/10 70x+220 = 81x 11x = 220 X =20
20*9 = 180 girls(7B:9G)

Ratio And Proportion - MCQ 5 - Question 5

Two numbers are in the ratio of 5:8 .If 4 is subtracted from each then the ratio become 1:2.The small number is

Detailed Solution for Ratio And Proportion - MCQ 5 - Question 5

C)10
Explanation : 5x-4/8x-4 = ½ 10x-8 = 8x-4 2x = 4 X=2
5(2) = 10

Ratio And Proportion - MCQ 5 - Question 6

x:y = 7:4 then (4x+7y) : (7x+4y)

Detailed Solution for Ratio And Proportion - MCQ 5 - Question 6

B)56:65
Explanation :(4(7)+7(4)) : (7(7)+4(4)) = 56:65

Ratio And Proportion - MCQ 5 - Question 7

The sum of present age of 2 persons is 100yrs.Before 5 years the ratio of their ages is 5:13.Find the age of younger person

Detailed Solution for Ratio And Proportion - MCQ 5 - Question 7

D)30
Explanation : From option 30+70 = 100
25:65 = 5:13

Ratio And Proportion - MCQ 5 - Question 8

The ratio of monthly income of A and B in the ratio is 6:5 and the ratio of their expenditure is 9:7.If each saves Rs.1500.Then the sum of their salary is

Detailed Solution for Ratio And Proportion - MCQ 5 - Question 8

A)11,000
Explanation : 4500:3500 – e 1500:1500 – s 6000 + 5000 = 11000

Ratio And Proportion - MCQ 5 - Question 9

What number should be added or subtracted from each term in the ratio 11:9 so that it become 6:5

Detailed Solution for Ratio And Proportion - MCQ 5 - Question 9

A)+4
Explanation : 44:36

Ratio And Proportion - MCQ 5 - Question 10

The ratio of two persons A and B salaries in the ratio 12:7 if 12% increased salary yearly then what will be the B Salary after 2 yrs.

Detailed Solution for Ratio And Proportion - MCQ 5 - Question 10

D)8781
Explanation : 12:7 = 12,000 : 7,000
12% =  B = 840……1st yr and B = 941 …..2nd yr New inc B  = 7000+840+941 = 8781

Ratio And Proportion - MCQ 5 - Question 11

The salaries of A,B and C are in the ratio 5:3:2.If the increments of 20% ,10% and 20% are allowed in their salaries, then what will be the new ratio of their salaries ?

Detailed Solution for Ratio And Proportion - MCQ 5 - Question 11

Answer – C) 20:11:8 Explanation : 5:3:2 = 500:300:200
500×(20/100) = 100 => 500+100 = 600
300×(10/100) = 30 => 300+33 = 330
200×(20/100) = 40 => 200+40 = 240
600:330:240 = 20:11:8

Ratio And Proportion - MCQ 5 - Question 12

Two numbers are respectively 40% and  60% more than than the third number.The ratio of the two number is

Detailed Solution for Ratio And Proportion - MCQ 5 - Question 12

Answer – B) 7:8 Explanation : Let third number = x (140/100)x = (7/5)x (160/100)x = (8/5)x (7/5) : (8/5) = 35 : 40 = 7 : 8

Ratio And Proportion - MCQ 5 - Question 13

A sum of money is to be distributed among P , Q , R and S in the proportion 2:5:6:7, If R get Rs.500 more than S,what is P’s share ?

Detailed Solution for Ratio And Proportion - MCQ 5 - Question 13

Answer – C) 1000 Explanation : S – R = 7 – 6 = 1 => 500
2 × 500 = 1000

Ratio And Proportion - MCQ 5 - Question 14

Ratio of earnings of A and B is  3:5. If the earnings of A increase by 25% and those of B decrease by 30%, the new ratio of their earnings become 6:8.What is A’s earnings ?

Detailed Solution for Ratio And Proportion - MCQ 5 - Question 14

Answer – E) Data inadequate Explanation :We cant derive the earnings from the given details

Ratio And Proportion - MCQ 5 - Question 15

The sum of the three number is 68.If the ratio of the first to second is 3:2 and that of the second to the third is 5:3 , then the second number is

Detailed Solution for Ratio And Proportion - MCQ 5 - Question 15

Answer -B) 22 Explanation : A: B = 3:2
B:C = 5 : 3
B:C =(5×[2/5]) : (3×[2/5])= 2: (6/5)
A:B:C = 3:2:(6/5) = 15:10:6
Second number = (10/31)×68 = 21.9 = 22

Ratio And Proportion - MCQ 5 - Question 16

The ratio of prices of 2 dresses is 10:15.If the price of the first dress is increased by 10% and that of the second dress by Rs.400 then the ratio of their prices is 4:7.What are the initial prices of the dresses ?

Detailed Solution for Ratio And Proportion - MCQ 5 - Question 16

Answer -D) 94 Explanation : Let the initial price of the dress = 10x and 15x Price of the 1 dress after increment = 10x × (110/100) = 11x Price of the  dress after increment = 15x+400 [11x/(15x+400)] = 4/7 77x = 60x + 1600 17x = 1600 X = 1600/17 = 94.11 = 94

Ratio And Proportion - MCQ 5 - Question 17

A Zoo has 66 fishes , some white and rest orange , Which of the following could be the ratio of white to orange fishes in the zoo ?

Detailed Solution for Ratio And Proportion - MCQ 5 - Question 17

Answer – B) 2:9 Explanation : 2+9 = 11
66 can divisible by 11.

Ratio And Proportion - MCQ 5 - Question 18

The ratio of the number of boys to that of girls in a school is 3:2. If 30% of boys and 70% of girls appeared in an examination, the ratio of students appeared in the examinations to that not appeared in the examination is

Detailed Solution for Ratio And Proportion - MCQ 5 - Question 18

Answer -A) 23: 27 Explanation : 3:2 = 30:20
30% boys = (30/100) × 30= 9 70% girls = (70/100) × 20 = 14 (9+14) : (50-23) = 23 : 27

Ratio And Proportion - MCQ 5 - Question 19

If 20% of x = 30% of y then x:y is

Detailed Solution for Ratio And Proportion - MCQ 5 - Question 19

Answer – B) 3:2 Explanation : (20/100)x = (30/100)y x/y = (30×100)/(100×20) = 3/2 = 3:2

Ratio And Proportion - MCQ 5 - Question 20

In a bag there are coins of 25p, 10p and 5p in the ratio 1:2:3.If there are Rs.45 in all then find how many 25p coins are there ?

Detailed Solution for Ratio And Proportion - MCQ 5 - Question 20

Answer – D) 75 Explanation : [(25x) + (10x × 2) + (5x × 3)] / 100 = 45 [25x + 20x + 15x] / 100 = 45 60 x = 4500 X = 4500/60 = 75

## Quantitative Aptitude for Competitive Examinations

33 videos|34 docs|143 tests
 Use Code STAYHOME200 and get INR 200 additional OFF Use Coupon Code
Information about Ratio And Proportion - MCQ 5 Page
In this test you can find the Exam questions for Ratio And Proportion - MCQ 5 solved & explained in the simplest way possible. Besides giving Questions and answers for Ratio And Proportion - MCQ 5, EduRev gives you an ample number of Online tests for practice

## Quantitative Aptitude for Competitive Examinations

33 videos|34 docs|143 tests