Top 20 Problems on Ratio and Proportion with Answer

Problems on Ratio and Proportion ::  Question and Answer

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  Ratio and Proportion Questions and answer with solutions pdf
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    A bag contains Rs. 216 in the form of one rupee, 50 paise and 25 paise coins in the ratio of 2 : 3 : 4. The number of 50 paise coins is

1. A. 133     

2. B. 136      

3. C. 144        Correct Answer

4. D. 149      

2.  

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   The expenses on rice, fish and oil of a family are in the ratio of 12 : 17 : 3. The prices of these articles are increased by 20%, 30% and 50% respectively. The total expenses of the family are increased by

1. A. 25½ %     

2. B. 28(1/8) %        Correct Answer

3. C. 29¾ %      

4. D. 31(1/5) %      

3.  

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   Find the fourth proportional to 3, 5 and 9

1. A. 11     

2. B. 15        Correct Answer

3. C. 18      

4. D. 25      

4.  

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   Two numbers are respectively 20% and 50% more than a third number. These two numbers are in the ratio

1. A. 2 : 5     

2. B. 3 : 5      

3. C. 4 : 5        Correct Answer

4. D. 4 : 7      

5.  

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

1. A. 4 : 5     

2. B. 4 : 3      

3. C. 5 : 6        Correct Answer

4. D. 6 : 7      

6.  

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   In an alloy, the ratio of copper and zinc is 5 : 2. If 1.250 Kg of zinc is mixed in 17 Kg 500 gm of alloy, then the ratio of copper and zinc in the alloy will be

1. A. 2 : 1       Correct Answer

2. B. 2 : 3      

3. C. 3 : 4      

4. D. 3 : 5      

7.  

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   Three numbers are in the ratio 3:4:5. The sum of the largest and the smallest equals the sum of the third and 52. The smallest number is

1. A. 36     

2. B. 39        Correct Answer

3. C. 42      

4. D. 47      

8.  

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   If A : B : C = 2 : 3 : 4 then A/B : B/C : C/A = ?

1. A. 8 : 9 : 24       Correct Answer

2. B. 9 : 11 : 19      

3. C. 11 : 13 : 20      

4. D. 13 : 15 : 22      

9.  

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   When 20% of a number is added to another number, the number increases by 50%. What is the ratio between the first and second number ?

1. A. 5 : 2       Correct Answer

2. B. 5 : 7      

3. C. 7 : 3      

4. D. 9 : 5      

10.  

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    In a class, the number of girls is 20% more than that of boys. The strength of the class is 66. If 4 more girls are admitted to the class, what will be the ratio of the number of boys to that of the girls ?

1. A. 2 : 3     

2. B. 3 : 4        Correct Answer

3. C. 3 : 5      

4. D. 5 : 7      

11.  

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    If y varies directly as (x + 4) and y = 6 when x = 1. What is the value of y when x = 2 ?

1. A. 36/5       Correct Answer

2. B. 37/9      

3. C. 41/7      

4. D. 43/5      

12.  

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    Three equal glasses are filled with mixtures of spirit and water. The ratio of spirit and water is : 1st glass = 3:4, 2nd glass = 4:5 and 3rd glass = 5:6. The contents of three glasses are emptied into a single vessel. What is the ratio of spirit to water in the mixture now ?

1. A. 820 : 1059     

2. B. 860 : 1132      

3. C. 920 : 1159        Correct Answer

4. D. 970 : 1205