Ratio and Proportion Online Test 1

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Question : 1/20 20 : 00

If A : B = 2 : 3, B : C = 4 : 5 and C : D = 6 : 7, then A : D = ?

A. 2 : 7

B. 7 : 8

C. 16 : 35

D. 4 : 13

If x : y = 3 : 4, then (7x + 3y) : (7x − 3y) = ?

A. 4 : 3

B. 5 : 2

C. 11 : 3

D. 37 : 19

If (4x² − 3y²) : (2x² + 5y²) = 12 : 19, then x : y = ?

A. 2 : 3

B. 1 : 2

C. 3 : 2

D. 2 : 1

If ab = 36, then which of the following is correct ?

A. a : 9 = 4 : b

B. 9 : a = 4 : b

C. a : 18 = b : 3

D. a : 6 = b : 6

If A = 13 B and B = 12 C then A : B : C = ?

A. 1 : 3 : 6

B. 2 : 3 : 6

C. 3 : 2 : 6

D. 3 : 1 : 2

The ratio between two numbers is 3 : 4. If each number is increased by 6, the ratio becomes 4 : 5. The difference between the numbers is :

A. 1

B. 3

C. 6

D. 8

The monthly incomes of A and B are in the ratio 2 : 3 and their monthly expenses are in the ratio 5 : 9. If each of them saves Rs. 600 per month, then their monthly incomes are :

A. Rs. 1500, Rs. 2250

B. Rs. 1200, Rs. 1800

C. Rs. 1600, Rs. 2400

D. Rs. 1400, Rs. 2100

What should be added to each of the four numbers 6, 14, 18, 38 to make them proportional ?

A. 1

B. 2

C. 3

D. 4

94 is divided into two parts in such a way that fifth part of the first and eighth part of the second are in the ratio 3 : 4. The first part is :

A. 27

B. 30

C. 36

D. 48

The sum of the squares of three numbers which are in the ratio 2 : 3 : 4 is 725. What are these numbers ?

A. 10, 15, 20

B. 14, 21, 28

C. 20, 15, 30

D. 20, 30, 40

If the income of A is 10% more than that of B and the income of B is 20% less than that of C, then the incomes of A, B, C are in the ratio :

A. 11 : 10 : 8

B. 22 : 20 : 25

C. 10 : 9 : 7

D. 22 : 18 : 25

A sum of money is divided among A, B and C in such a way that to each Rs. 1 A gets, B gets 65 paise and C gets 35 paise. If C's share is Rs. 28, the sum is :

A. Rs. 120

B. Rs. 140

C. Rs. 160

D. Rs. 180

Two vessels A and B contain milk and water mixed in the ratio 5 : 3 and 2 : 3. When these mixtures are mixed to form a new mixture containing half milk and half water, they must be taken in the ratio :

A. 2 : 5

B. 3 : 5

C. 4 : 5

D. 7 : 3

The prices of a scooter and a television set are in the ratio 8 : 7. If a scooter costs Rs. 4000 more than a TV set, the price of the TV set is :

A. Rs. 32000

B. Rs. 28000

C. Rs. 24000

D. Rs. 36000

The ratio of Mona and Vikas present ages is 9 : 10. After 4 years, the ratio of their ages becomes 11 : 12. What is Mona's present age ?

A. 18 years

B. 20 years

C. 22 years

D. None of these

What must be added to each term of the ratio 7 : 13 so that the ratio becomes 2 : 3 ?

A. 1

B. 2

C. 3

D. 5

6 men, 7 women and 5 children complete a job for Rs. 4400. If their individual wages be in the ratio 4 : 3 : 2, the total money earned by 5 children is :

A. Rs. 880

B. Rs. 800

C. Rs. 900

D. Rs. 960

Fourth proportional to 0.2, 0.12 and 0.3 is :

A. 0.13

B. 0.15

C. 0.18

D. 0.8

The sum of squares of three numbers which are in the ratio 2 : 3 : 4 is 725. What are these numbers ?

A. 10, 15, 20

B. 14, 21, 28

C. 20, 15, 30

D. 20, 30, 40

One year ago, the ratio between A's and B's salary was 3 : 4. The ratio of their individual salaries between last and this year was 4 : 5 and 2:3 respectively. Now, the total of their salaries is Rs. 41600. A's present salary is :

A. Rs. 10400

B. Rs. 16000

C. Rs. 25600

D. Rs. 31200

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Ratio and Proportion Online Test 1

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