# 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