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# Previous Year Ratio and Proportion Questions for SSC CGL Exams-2017

Dear Students, SSC has released the notification for CGL 2017. This time again the competition is going to be very stiff. Questions from Quant are asked in Tier-1 and Tier-II as well. Hence, you need to focus on this subject more. The only trick to master Quant is “practice‘. So, Practice daily. We are providing topic-wise quant quizzes, solve, learn, succeed.

Q1. If a: b = 5: 7 and c: d = 2a: 5b then ac : bd is

(a) 20: 38
(b) 10: 49
(c) 10: 21
(d) 50: 151

Q2. Two sums of money are proportional to 4: 5. If the first is Rs. 20, what is the other?
(a) Rs. 20.5
(b) Rs. 25
(c) Rs. 23.5
(d) Rs. 24.5

S2. Ans.(b)
Sol. According to the question,
4r  20
1r  5
5r  25

Q3. The salaries of A, B and C are in the ratio 1: 3: 4. If the salaries are increased by 5%, 20%, and 25% respectively, then the increased salaries will be in the ratio
(a) 20: 66: 95
(b) 21: 66: 95
(c) 21: 72: 100
(d) 19: 66: 92

S3. Ans.(c)
Sol. Let the salaries of A, B & C
be  Rs. 100, Rs. 300, Rs. 400
According to the question,
105
360
500
Ratio  105: 360: 500
= 21: 72: 100

Q4. A boy has a few coins of denominations 50 paise, 25 paise and 10 paise in the ratio 1: 2: 3. If the total amount of the coins is Rs. 6.50, the number of 50 paise coins is
(a) 5
(b) 10
(c) 15
(d) 20

S4. Ans.(a)
Sol.
Value of coins              =  50p  :     25p  :    10p
Ratio of coins               =  1       :     2       :    3
Total value of money =   50p  :     50p     :    30p
= 130p = Rs. 1.3
This Rs. 1.30  Rs. 6.50
5
Number of 50 paise coin = 5

Q5. The ratio of incomes of two persons is 5: 3 and that of their expenditures is 9: 5. If they save Rs. 2000 and Rs. 1500 respectively, their expenditure are:
(a) Rs. 6750, Rs. 3750
(b) Rs. 6000, Rs. 3600
(c) Rs. 10000, Rs. 6000
(d) Rs. 9000, Rs. 5400

Q6. The students in three classes are in the ratio 2: 3: 5. If 20 students are increased in each class, the ratio changes to 4: 5: 7. Originally the total number of students was
(a) 50
(b) 90
(c) 100
(d) 150

S6. Ans.(c)
Sol. 20 students are increased in each class.
Means increase of 60 students.
According to the questions,
(4 + 5 + 7) – (2 + 3 + 5) = 6r
6r  60
1r  10
Original number of students = 10r
= 100

Q7. The ratio between the boys and girls in a class is 6: 5 respectively. If 8 more boys join the class and two girls leave the class then the respective ratio becomes 11: 7. What is the number of girls in the class now?
(a) 28
(b) 38
(c) 44
(d) 36

Q8. The ratio between the male and female existing employees in an organization is 7: 4. The ratio between the male and female new recruits of 240 is 5: 7. What will be the new ratio between male and female employees after the recruits join the organization?
(a) 6: 5
(b) 5: 4
(c) 3: 2
(d) Can’t be determined

Q9. Three friends divide an amount of Rs. 45,000, such that one of them takes 1/5th of the total amount and the other two divide the rest of the amount equally among themselves. What is the ratio of the amount taken by one of the friends to that of the total amount taken by the other two friends together?
(a) 1: 4
(b) 1: 2
(c) 3: 2
(d) 2: 3

Q10. The income of A and B are in the ratio 5: 3. The expenses of A, B and C are in the ratio 8: 5: 2. If C spends Rs. 2000 and B saves Rs. 700, then A saves
(a) Rs. 1500
(b) Rs. 1000
(c) Rs. 500
(d) Rs. 250

Q11. One man adds 3 litres of water to 12 litres milk and another 5 litres of water to 10 litres of milk. What is the rate of the strengths of milk in the two mixtures?
(a) 6: 5
(b) 27: 25
(c) 26: 25
(d) 25: 26

Q12. The contents of two vessels containing water and milk are in the ratio 1: 2 and 2: 5 are mixed in the ratio 1: 4. The resulting mixture will have water and milk in the ratio:
(a) 35: 75
(b) 31: 74
(c) 41: 65
(d) 31: 65

Q13. One year ago, the ratio between Laxman’s and Gopal’s salaries was 3: 5. The ratio of their individual salaries of last year and present year are 2: 3 and 4: 5 respectively. If their total salaries for the present year are Rs. 4300, find the present salary of Gopal
(a) Rs. 1200
(b) Rs. 2500
(c) Rs. 1800
(d) Can’t be determined

Q14. A bucket contains a mixture of two liquids A and B in the proportion 7: 5. If 9 litres of the mixture is replaced by 9 litres of liquid B, then the ratio of the two liquids becomes 7: 9. How much of the liquid B was there in the bucket initially?
(a) 15 litres
(b) 23 litres
(c) 25 litres
(d) 27 litres

Q15. Vessels A and B contain mixtures of milk and water in the ratio 4: 5 and 5: 1 respectively. In what ratio should quantities of the mixture be taken from A and B to form a mixture in which milk to water is in the ratio 5: 4?
(a) 2: 5
(b) 4: 3
(c) 5: 2
(d) 2: 3

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