I. Choose the letter of the correct answer. (1pt each)
1. In a proportion, the product of the means equals to the product of the ___________.
A. ratio B. terms C. external D. extremes
2. When two ratios are equivalent, we call it a ___________
A. ratio B. proportion C. ratio and proportion D. Fraction
3. Ratio can be written in colon and in ________ form.
A. decimal B. fraction C. percent D. and
4. What do we call when the other quantity increases, the other quantities increases as well?
A. proportion B. equivalent ratios C. direct proportion D. indirect proportion
5. It is an equation that says that two or more ratios are equal.
A. means B. equivalent ratios C. direct proportion D. indirect proportion
6. Which of the following ratios is equivalent to 4:12?
A. 1:2 B. 1:3 C. 1:4 D. 1:5
7. Which of the following shows a set of equivalent ratios?
A. 1:4 = 1:2 B. 1:3= 2:4 C. 3:4 = 4:8 D. 5:10 = 1:2
8. Which of the following ratios is equivalent to 5:8?
A. 15:24 B. 10:24 C. 15:16 D. 30:40
9. Which of the following ratio is not equivalent to 9:15?
A. 18:30 B. 27:45 C. 36:45 D. 36:60
10. Identify the next term in 24, 46, 68, N, 1012. What is N?

A. 79 B. 810 C. 911 D. 1011






II. Write D if the two ratios are direct proportion and ID if it is indirect proportion. (1pt each)
11.) 4:2 = 8:4
12.) 30:10 = 15:5
13.) 10:8 = 20:4
14.) 12:16 = 24:8
15.) 14:15 = 28:30
III. Simplify the ratios. Choose the letter that corresponds to their simplest form to reveal the mystery word. (1pt each)
___ ___ ___ ___ ___ ___ ___
20 22 17 21 16 19 18
16.) 2442 17.) 936 18.) 1035 19.) 1836 20.) 2436 21.) 763 22.) 3050
IV. Solve the value of N. (1pt each)
23.) 2:3 = 6:N
24.) 21:N = 7:9
25.) 64 = 68
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Answer:
23. 9
24. 27
25.?
Step-by-step explanation: