The ratio of two quantities is always expressed in the same units. We find the ratio by dividing one term by the other term. When the two ratios are equal, they are called proportion. To distribute a given quantity in the required ratio is called proportional division and distributed parts are called proportional parts. So take this quiz and increase your knowledge about ratio, proportion, and proportional parts.
1. What is the fourth proportional of 7, 8, and 14?
A. 16
B. 25
C. 18
D. 36
2. What should be added to 8,21,13 and 31 so that the sum is in proportion?
A. 4
B. 8
C. 5
D. 7
3. What is the value of x if 17:25=x;150?
A. 108
B. 102
C. 96
D. 97
4. If a man covers a distance in 7 hours and a tonga covers the same distance in 13/3 hours then what is the ratio of man and tonga?
A. 7:15
B. 13:21
C. 6:13
D. 13:20
5. One year ago the ratio of Jimmy and Jacky's ages was 4:5. if one year after the ratio of their ages in 5:6, then what is the present age of Jimmy?s
A. 7 years
B. 11 years
C. 6 years
D. 9 years
6. A sum is distributed among A, B, and C in the ratio 2:3;5 respectively. If C's share is 50% of the sum, then what is the share of B?
A. 550
B. Question is incomplete
C. 940
D. None of these
7. The ratio of sides of the two squares is 3:4. What is the ratio of their perimeter?
A. 3:4
B. 2:5
C. 7:5
D. 9:4
8. A sum is divided between A, B and C in the ratio 1:4:7. If difference in shares of A and B is 2400, then what is the share of C?
A. 5800
B. 7750
C. 8750
D. 5600
9. If A=2/5B and B=1/3C then what is A:B:C?
A. 5:2:15
B. 5:15:2
C. 2:5:15
D. 15:2;5
10. There are coins of 25 paise and 10 paise in a bag in the ratio 6:17 respectively. If the total amount is Rs. 16 then what is the number of 10 paise's coin?
A. 88
B. 64
C. 85
D. 72
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