Quantitative Aptitude: Ratio and Proportion Questions Set 7

  1. P,Q and R divided Rs 4200 among themselves in ratio 7:8:6.If Rs 200 is added to each of their shares,what is new ratio in which they will receive the amount?
    7:8:9
    8:9:7
    5:5:2
    1:3:7
    None of these
    Option B
    P=[7/(7+8+6)]*4200=Rs 1400
    Q=[8/(7+8+6)]*4200=Rs 1600
    R=[6/(7+8+6)]*4200=Rs 1200
    New ratio when RS 200 is added,=1600:1800:1400

     

  2. The ratio of monthly salaries of X and Y are in the ratio of 15:16 and that of Y and Z are in the ratio 17:18.Find the monthly income of Z if the total of their monthly salary is Rs 1,87,450?
    Rs 64000
    Rs 58000
    Rs 66240
    Rs 65400
    None of these
    Option C
    X:Y:Z=255:272:288
    So,Z’s salary=(288/(255+272+288)]=Rs 66240

     

  3. Rs 5750 is divided among X,y and Z such that if their share be reduced by Rs 10 , Rs 15 and Rs 25 respectively,the remainder amounts with them shall be in the ratio 4:6:9.Wat was Z’s share then?
    Rs 3000
    Rs 2725
    Rs 3500
    Rs 2545
    None of these
    Option B
    Z’s share will be after rduction =9/4+6+9) *5700 = 2700
    Actual Z’s share =2700+25 =Rs2725

     

  4. The income of P,Q and R are in ratio of 3:4:7.If their incomes be changed such that new income of P increases by 50%,25% incresed for Q and 25% decrease for R.Find the ratio of their new incomes?
    17:21:22
    22:21:25
    15:17:19
    18:20:21
    None of these
    Option D
    New ratio=(150/100)*3 : (125/100)*4 :(75/100)*7

     

  5. The ratio of income of X and Y is 2:3.The sum of their expenditure is Rs 8000 and the amount of savings of X is equal to amount of expemditure of Y.What is the new ratio of sum of income to the sum of savings?
    4:5
    3:7
    5:3
    1:2
    None of these
    Option C
    2I-E+E=8000
    I=4000
    Sum of income=5*I=5*4000
    Sum of savings=20000-8000=12000
    Ratio=20000:120000

     

  6. There are 2 containers of equal capacity.The ratio of milk to chemical in 1st container is 4:5 and in 2nd container is 3:7.If they are mixed up then the ratio of milk and chemical in mixtire will be what?
    67:113
    22:29
    51:62
    69:111
    None of these
    Option A

     

  7. The ratio of Girish age and his father’s age is 5:12.The difference of their ages is 21.Tje ratio of their ages after 4 year will be which of the following?
    20:24
    17:21
    33:37
    19:40
    None of these
    Option D
    12y-5y=21
    y=3
    After 4 years=19:40

     

  8. Rishi and Shivani have money in ratio 5:12 and Shivani and Krishnam have money i ratio 5:12.If Rishi has Rs 500,what money Krishnam has wuth him?
    Rs 3250
    Rs 2504
    Rs 8800
    Rs 2880
    None of these
    Option D
    Rishi:Krishnam=25/144
    Krishnam=144*500/25=Rs 2880

     

  9. The ratio of Y and Z are in ratio 5:8.After 6 years,the ratio of ages of Y and Z will be in the ratio 17:26.Find the prset age of Z?
    65 years
    70 years
    72 years
    82 years
    None of these
    Option C
    Y/Z=5/8
    Y+6/Z+6=17/26

     

  10. A amount of Rs 12600 is distributed between P,Q and R.For every rupee,P gets,Q gets 80 p and for very rupee Q gets ,R get 90 p.Finf the amount get by R.
    Rs 3300
    Rs 2600
    Rs 2500
    Rs 3600
    None of these
    Option D
    Ratio of monet P and Q=100:80
    Ratio between Q and R=100;90
    Ratio of P:Q:R=100;80:72
    R gets=50*72

     


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