# Ratio And Proportions Sample Questions

1. Find the three numbers in the ratio of 1 : 2 : 3, so that the sum of their squares is equal to 504?
A. 12:7:9
B. 13:26:39
C. 14:12:9
D. 6:12:18
1. The sum of three numbers is 98. If the ratio between the first and second be 2 : 3 and that between the second and third be 5 : 8, then find the second number?
A. 30
B. 15
C. 25
D. 20
1. A mixture contains alcohol and water in the ratio 4:3. If 5 litres of water is added to the mixture, the ratio becomes 4: 5. Find the quantity of alcohol in the given mixture.
A. 18
B. 12
C. 15
D. 10
1. A sum of Rs. 427 is to be divided among A, B and C such that 3 times A’s share, 4 times B’s share and 7 times C’s share are all equal. The share of C is ?
A. 100
B. 140
C. 84
D. 100
1. The Students in three classes are in the ratio 2 : 3 : 5. If 20 students are increased in each class, the ratio of changes to 4 : 5 : 7. The total number of students before the increase was
A. 250
B. 100
C. 300
D. 150
1. 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. 216
B. 316
C. 616
D. 416
1. Rs. 425 is divided among 4 men, 5 women and 6 boys such that the share of a man, a woman and a boy may be in the ratio of 9 : 8 : 4. What is the share of a woman?
A. 34
B. 26
C. 30
D. 20
1. If a carton containing a dozen mirrors is dropped, which of the fallowing cannot be the ratio of broken mirrors to unbroken mirrors?
A. 3 : 1
B. 7 : 5
C. 3 : 2
D. 1 : 1
1. When 50% of one number is added to the second number. The second number is increased to its four – thirds. What is the ratio between the first and the second number?
A. 2 : 5
B. 3 : 2
C. 3 : 4
D. 4 : 3
1. Two numbers are in the ratio of 9 : 17. When 45 is added in each number then two ratio becomes 3 : 4. Find the difference between both initial numbers?
A. 60
B. 26
C. 24
D. None of these