Ratio and Proportion Aptitude MCQ Questions with Answers

Question. Salaries of Ravi and Sumit are in the ratio 2:3. If the salary of each is increased by Rs. 4000, the new ratio becomes 40:57. What is Sumit's salary ?
a) 46800
b) 36700
c) 38000
d) 50000

Answer : C

Question. Find the third proportional to 9 and 12 ?
a) 48
b) 9
c) 16
d) 108

Answer : D

Question. A mixture contains alcohol and water in the ratio 4 : 3. If 5 litters of water is added to the mixture, the ratio becomes 4: 5. Find the quantity of alcohol in the given mixture ?
a) 18
b) 10
c) 15
d) 12

Answer : B

Question. In a mixture of 45 litters, the ratio of sugar solution to salt solution is 1:2. What is the amount of sugar solution to be added if the ratio has to be 2:1 ?
a) 5:4
b) 2:1
c) 6:7
d) 1:5

Answer : B

Question. Pencils, Pens and Exercise books in a shop are in the ratio of 10: 2 : 3. If there are 120 pencils, the number of exercise books in the shop is ?
a) 36
b) 46
c) 56
d) 26

Answer : A

Question. The length and width of a rectangle are in the ratio 3:5. If its perimeter is 48 cm, find its length and width ?
a) 6,18
b) 8,20
c) 5,14
d) 9,15

Answer : D

Question. If a:b=1:2 and b:c=3:4 find a:b:c ?
a) 3:6:8
b)1:2:4
c) 3:12:6
d) 3:8:6

Answer : A

Question. In a college, the ratio of the number of boys to girls is 8 : 5. If there are 160 girls, the total number of students in the college is ?
a) 100
b) 416
c) 250
d) 260

Answer : B

Question. A bag contains 50 P, 25 P and 10 P coins in the ratio 5: 9: 4, amounting to Rs. 206. Find the number of coins of each type respectively ?
a) 160, 360, 200
b) 360, 160, 200
c) 200, 360,160
d) 200,160,300

Answer : A

Question. 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 24
b) Rs 10
c) Rs 28
d) Rs 20

Answer : D

Question. If the ratio of men to women at a party is 4:7, which of the following could be the number of people at the party ?
a) 64
b) 70
c) 50
d) 66

Answer : D