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Practice Ratio and proportion Questions and Answers

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 8:6 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 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 5:3. After adding 3 and 5 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 6:7. 60% girls and 25% 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 5:2. 4 years hence the ratio of their ages will be 7:4. Find the present age of B.
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.
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 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 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?
70 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?
What is the fourth proportional to 4, 9, 16?
What is the fourth proportional to 2, 5, 12?
What is the fourth proportional to 5, 9, 25?
What is the mean proportion between 3 and 27?
What is the mean proportion between 9 and 16?
What is the mean proportion between 9 and 36?
Find the third proportional to 12 and 48?
Find the third proportional to 11 and 33?

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