Ratio and Proportion Question and Solution

Ratio and Proportion Questions :: Quantitative Aptitude

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  1.  1
     

    A sum of money is to be distributed among A, B, C, D in the proportion of 5 : 2 : 4 : 3. If C gets Rs. 1000 more than D, what is B's share?

    1. A. Rs. 500     

    2. B. Rs. 1500      

    3. C. Rs. 2000        Correct Answer

    4. D. None of these      

  2.  2
     

    If a : b = 2 : 3 and b : c = 5 : 7, then find a : b : c.

    1. A. 12 : 15 : 9     

    2. B. 10 : 15 : 21        Correct Answer

    3. C. 14 : 12 : 21      

    4. D. 2 : 15 : 7      

  3.  3
     

    Two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is:

    1. A. 2 : 5     

    2. B. 3 : 5      

    3. C. 4 : 5        Correct Answer

    4. D. 6 : 7      

  4.  4
     

    If A : B : C = 3 : 4 : 7, then what is the ratio of (A / B) : (B / C) : (C / A)?

    1. A. 63 : 48 : 196       Correct Answer

    2. B. 66 : 49 : 190      

    3. C. 56 : 40 : 186      

    4. D. 46 : 38 : 160      

  5.  5
     

    Seats for Mathematics, Physics and Biology in a school are in the ratio 5 : 7 : 8. There is a proposal to increase these seats by 40%, 50% and 75% respectively. What will be the ratio of increased seats?

    1. A. 2 : 3 : 4       Correct Answer

    2. B. 6 : 7 : 8      

    3. C. 6 : 8 : 9      

    4. D. None of these      

  6.  6
     

    If Suresh distributes his pens in the ratio of 1/2 : 1/4 : 1/5 : 1/7 between his four friends A, B, C and D, then find the total number of pens Suresh should have?

    1. A. 153       Correct Answer

    2. B. 150      

    3. C. 100      

    4. D. 125      

  7.  7
     

    In a mixture 60 litres, the ratio of milk and water 2 : 1. If this ratio is to be 1 : 2, then the quanity of water to be further added is:

    1. A. 20 litres     

    2. B. 30 litres      

    3. C. 40 litres      

    4. D. 60 litres        Correct Answer


  8.  8
     

    If Rs 1050 is divided into three parts, proportional to (1 / 3) : (3 / 4) : ( 4 / 6), then what is the first part?

    1. A. 500     

    2. B. 300      

    3. C. 200        Correct Answer

    4. D. 100      

  9.  9
     

    The ratio of the number of boys and girls in a college is 7 : 8. If the percentage increase in the number of boys and girls be 20% and 10% respectively, what will be the new ratio?

    1. A. 8 : 9     

    2. B. 17 : 18      

    3. C. 21 : 22        Correct Answer

    4. D. Cannot be determined      

  10.  10
     

    In a mixture of 13 litres, the ratio of milk and water is 3 : 2. If 3 liters of this mixture is replaced by 3 liters of milk, then what will be the ratio of milk and water in the newly formed mixture?

    1. A. 10 : 3     

    2. B. 8 : 5      

    3. C. 9 : 4        Correct Answer

    4. D. 1 : 1      

  11.  11
     

    Salaries of Ravi and Sumit are in the ratio 2 : 3. If the salary of each is increased by Rs. 4000, the new ratio becomes 40 : 57. What is Sumit's salary?

    1. A. Rs. 17,000     

    2. B. Rs. 20,000      

    3. C. Rs. 25,500      

    4. D. Rs. 38,000        Correct Answer

  12.  12
     

    The ratio of volume of a cone to that of a cylinder if cylinder radius is reduced by 4 times and its height increased by 8 times of that of the cone, is

    1. A. 3 : 2     

    2. B. 2 : 3        Correct Answer

    3. C. 5 : 7      

    4. D. 7 : 5      

    5. E. None of the above      


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