Ratio & Proportion SSC GD Questions

Ratio & Proportion MCQ Questions

13.
If (a+b) : (b+c) : (c+a) = 8 : 7 : 5 and a+b+c = 60, then the ratio of a : b : c is:
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A.
3 : 5 : 2
B.
5 : 6 : 7
C.
5 : 7 : 8
D.
4 : 5 : 6
ANSWER :
A. 3 : 5 : 2
14.
A sum of ₹14,175 is divided among A, B and C in the ratio \(\frac{2}{3} : \frac{3}{5} : \frac{5}{6}\). What is the difference (in ₹) between the shares of A and C?
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A.
900
B.
950
C.
1125
D.
1050
ANSWER :
C. 1125
15.
The cost prices of two articles are in the ratio 4 : 5. Selling the first article at 10% profit and the second at 20% profit will give the difference of ₹480 in their selling prices. The sum of the cost price of the two articles is:
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A.
₹2,500
B.
₹2,800
C.
₹3,200
D.
₹2,700
ANSWER :
D. ₹2,700
16.
The boys and girls in a school are in the ratio 7:5. If 60% of the boys and 40% of the girls are aged 14 years and below the age of 14 years and the number of students above the age of 14 years is 870, then the total number of students in the school is:
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A.
1750
B.
1850
C.
1800
D.
1600
ANSWER :
C. 1800
17.
The incomes of A and B are in the ratio 8 : 11, and the ratio of their savings is 7 : 9. If the expenditure of A and B is ₹25,000 and ₹35,000, respectively, then what is the income (in ₹) of B?
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A.
42,900
B.
44,000
C.
39,600
D.
38,500
ANSWER :
B. 44,000
18.
Two numbers are in the ratio of 2 : 3. The product of their LCM and HCF is 7350. The difference between the two numbers is:
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A.
35
B.
25
C.
45
D.
15
ANSWER :
A. 35