Ratio & Proportion MCQ Questions Answers Quantitative Aptitude

 

Ratio & Proportion Questions Answers – Quantitative Aptitude MCQ


1) Find the third Proportional to the numbers 5 and 10.

a) 20

b) 2.5

c) 25

d) 30

View Answer
Option – a)

2) Ratio of the earnings of A  and B is 4 : 7. If the earnings of A increases by 50% and those of B decreases by 25% , the new ratio of their earnings becomes 8 : 7. What are A’s earnings?

a) Rs 21,000

b) Rs 26,000

c) Rs 28,000

d) Data inadequate

View Answer
Option – d)

3) Ratio of boys to the girls in a class is 5 : 4. Which of the following cannot be the number of students in the class ?

a) 45

b) 72
c) 108

d) 98

View Answer
Option – d)

4) The third proportional to 0.36 and 0.48 is :

a) 0.1728

b) 0.64

c) 0.42

d) 0.94

View Answer
Option – b)

5) What should be subtracted from each of the numbers 54,71,75 and 99, so that the remainders are in continued proportion?

a) 9

b) 7

c) 4

d) 3

View Answer
Option – d)

6) If 40% of a number is equal to two-third of another number, what is the  ratio of first number to the second number ?

a) 2 : 5

b) 3 : 7

c) 5 : 3

d) 7 : 3

View Answer
Option – c)

7) The ratio of sprit and water in a mixture is 1 : 3. If the volume of the solution is increased by 25% by adding spirit only. What is the resultant ratio of spirit and water ?

a) 2 : 3

b) 1 : 4

c) 1 : 2

d) None of these

View Answer
Option – a)

8) Rs. 120 are divided among A, B,C such that A’s share is Rs. 20 more than B’s and Rs.20 less than C’s. What is B’s share

a) Rs 10

b) Rs 20

c) Rs 24

d) Rs 28

View Answer
Option – b)

9) Two numbers are in the ratio 3 : 5. If each number is increased by 10, the ratio becomes 5 : 7 the numbers are

a) 3,5

b) 7,9

c) 13,22

d) 15,25

View Answer
Option – d)

10) Two Numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is :

a) 2 : 5

b) 3 : 5

c) 4 : 5

d) 6 : 7

View Answer
Option – c)

11) A mixture of 729 mL contains milk and water in the ratio 7 : 2. How much more water is added to get a new mixture containing milk and water in the ratio 7 : 3 ?

a) 81 mL

b) 72 mL

c) 80 mL

d) 78 Ml

View Answer
Option – a)

12) If there are Rs 495 in a bag in denominations of one-rupee, 50 paisa and 25 paisa couns, which are in the ratio 1 : 8 : 16. How many 50 paisa coins are there in the bag ?

a) 50

b) 220

c) 440

d) None of these

View Answer
Option – c)

13) Divide 170 into three parts such that the first part is 10 more than the second and its ratio with third part is 2 : 5.

a) 22 : 35 : 113

b) 35 : 55 : 80

c) 40 : 30 : 100

d) 35 : 65 : 70

View Answer
Option – c)

14) The ratio of money with Ram and Rahul is 7 : 17 and that with Rahul and Ajay is 7 : 17. If Ram has Rs 490, Ajay has

a) Rs 2890

b) Rs 2330

c) Rs 1190

d) Rs 2680

View Answer
Option – a)

15) A bag contains an equal number of one rupee, 50 paisa and 25 paisa coins respectively. If the total value is Rs 35, how many coins of each type are there ?

a) 20

b) 16

c) 18

d) 25

View Answer
Option – a)

16) The monthly salary of A,B,C are in the ratio of 2 : 3 : 5 If C’s monthly salary is Rs 1200 more than that of A, then B’s annual salary is

a) Rs 14400

b) Rs Rs 24000

c) Rs 1200

d) Rs 2000

View Answer
Option – a)

17) A dog pursues a cat and takes 5 leaps for every 6 leaps of the cat, but 4 leaps of the dog are equal to 5 leaps of the cat. Compare the speeds of the dog and the cat.

a) 15 : 22

b) 9 : 25

c) 25 : 21

d) 25 : 24

View Answer
Option – d)

18) The ratio of the ages of A and B is 5 : 7 If the difference between the present age of B and that of A,6 yr hence is 2, then what is the total of present ages of A and B ?

a) 48 yr

b) 52 yr

c) 56 yr

d) None of these

View Answer
Option – d)

19) Gold is 19 times as heavy as water and copper 9 times as heavy as water. In what ratio should these metals be mixed so that the mixture may be 15 times as heavy as water ?

a) 2 : 5

b) 2 : 3

c) 3 : 1

d) 3 : 2

View Answer
Option – d)

20) A ratio equivalent to  3 : 7 is :

a) 3 : 9

b) 6 : 10

c) 9 : 21

d) 18 : 49

View Answer
Option – c)
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