Practice Ratio and proportion Questions and Answers

• Three numbers are in ratio 6:7:9. If the sum of the squares of those three numbers is 664 then find the sum of the three numbers.
• If A : B = 5:3 and A is 14 more than B then find the sum of A and B.
• If A : B = 7:4 and A is 18 more than B then find the sum of A and B.
• If A : B = 7:5 and A is 14 more than B then find the sum of A and B.
• If A : B = 8:5 and A is 21 more than B then find the sum of A and B.
• If A : B = 9:3 and A is 24 more than B then find the sum of A and B.
• If A : B = 9:5 and A is 16 more than B then find the sum of A and B.
• If A : B = 9:7 and A is 10 more than B then find the sum of A and B.
• The number of students in a school is 3247. If the ratio between boys to girls is (x+3) : (x+4), then find the value of x.
• The ratio between the number of books and pencils is 7:6 and the ratio of cost of per book and pencil is 3:2 then find the percentage by which total cost o...
• The ratio between the number of books and pencils is 8:5 and the ratio of cost of per book and pencil is 6:5 then find the percentage by which total cost o...
• The ratio between the number of books and pencils is 7:5 and the ratio of cost of per book and pencil is 3:2 then find the percentage by which total cost o...
• Some amount was divided among A, B and C in the ratio 3:5:8. If the share of A is 40 less than share of C, then find the 1/4th of total amount (in Rs).
• Some amount was divided among A, B and C in the ratio 2:3:5. If the share of A is 30 less than share of C, then find the 1/5th of total amount (in Rs).
• Some amount was divided among A, B and C in the ratio 4:5:8. If the share of A is 32 less than share of C, then find the 1/4th of total amount (in Rs).
• Two numbers are in the ratio 5:3. After adding 4 and 7 to them respectively the ratio becomes 2:3. Find the bigger number.
• Two numbers are in the ratio 6:5. After adding 2 and 4 to them respectively the ratio becomes 2:3. Find the bigger number.
• Two numbers are in the ratio 6:5. After adding 3 and 5 to them respectively the ratio becomes 2:3. Find the bigger number.
• Two numbers are in the ratio 7:4. After adding 2 and 6 to them respectively the ratio becomes 2:3. Find the bigger number.
• Two numbers are in the ratio 7:5. After adding 2 and 4 to them respectively the ratio becomes 2:3. Find the bigger number.
• In a college the ratio of boys and girls are in the ratio 3:4. 40% girls and 20% boys were absent. Find the girls present if the total number of students i...
• 6 years ago ratio of the ages of the two persons A and B was 5:3. 3 years hence the ratio of their ages will be 4:3. Find the present age of B.
• 5 years ago ratio of the ages of the two persons A and B was 3:1. 3 years hence the ratio of their ages will be 7:3. Find the present age of B.
• What is the fourth proportion of 13, 20 and 26?
• What is the fourth proportion of 16, 20 and 24?
• What is the fourth proportion of 17, 19 and 34?
• The ratio of zinc and copper in a brass pieces is 4:7. How much zinc will be there in 110 kg of such a piece?
• The ratio of zinc and copper in a brass pieces is 3:4. How much zinc will be there in 140 kg of such a piece?
• If A varies directly as B and inversely as C and A = 6, B = 3 and C = 5, what is the value of A when B = 5 and C = 2?
• If A varies directly as B and inversely as C and A = 8, B = 2 and C = 5, what is the value of A when B = 6 and C = 5?
• The ratio of number of boys and girls in a factory of 660 workers is 7:5. How many more girls should be joined to make the ratio 1:1?
• The ratio of number of boys and girls in a factory of 460 workers is 7:3. How many more girls should be joined to make the ratio 1:1?
• The ratio of number of boys and girls in a factory of 600 workers is 7:3. How many more girls should be joined to make the ratio 1:1?
• What is the ratio whose terms differ by 35 and the measure of which is 4/9?
• What is the ratio whose terms differ by 42 and the measure of which is 3/5?
• 70 percent of first number is equal to 50 percent of the second number. What is the respective ratio of the first number to the second number?
• 90 percent of first number is equal to 50 percent of the second number. What is the respective ratio of the first number to the second number?
• 80 percent of first number is equal to 40 percent of the second number. What is the respective ratio of the first number to the second number?
• 80 percent of first number is equal to 70 percent of the second number. What is the respective ratio of the first number to the second number?
• 60 percent of first number is equal to 40 percent of the second number. What is the respective ratio of the first number to the second number?