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13. What is the fourth number in a proportion if the first three number are 8, 12 and 4? a. 4 b. 6 c. 8 d. 10 14. 7 : 12 is equivalent to a. 28 :40 c. 72 : 42 b. 42 :71 d. 42 : 72 15. The value of x , if 3, 18 , x, 42 are in proportion is a. 6 c. 7 b. 54 d. none of these 16. A 51-meter rope is cut into two parts whose ratio is 7:10. What is the length of the shorter rope? a. 30 m c. 24 m b. 27 m d. 21 m 17. The ratio of 1 hour to 300 second is: a. 1:12 c. 1:5 b. 12:1 d. 5:1 18. Two number are in the ratio 7:9. If the sum of the numbers is 112, then the larger number is? a. 49 b. 63 b. 72 d. 42 19. The ratio 35:84 in simplest form is? a. 5:7 c. 5:12 b. 7:12 d. none of these 20. Length and width of a field are in the ratio 5:3. If the width of the field is 42m then its length is? a. 100 m c. 50 m b. 80 m d. 70 m1. What do you call the equality of two ratios? a. Similarity c .rationality b. Proportion d. congruence 2. If 1 foot is equal to 12 inches, how many inches are there in 4 feet? a. 48in b. 16in c.32in d. 24in 3. It is used to compare two or more quantities. a. Ratio c. Quantity b. Measure d. Solution 4. In the proportion 5:x = x:20, what is x? a. 10 & -10 c. 50 & 2 b. 25 & 4 d. 100 & 1 5. What is the value of m in the proportion - = 3 ? a. 12 b. 21 c. 27 d. 63 6. In the proportion (4x-2) : 9 = 8 : 12, what is x? a. x=1 b. x=2 c. x=3 d. x=4 7. What is y in the proportion #41 2x-2. 5 3 a. x = 7 36 C. X = 7 b. x = 36 d. x = 36 8. To deal with the COVID-19pandemic, the country's IATF decided that out of 81 province, 67 will be under MGCQ and the rest will be under GCQ. What is the ratio of provinces under GCQ to the total # of province.? a. 67:81 b. 81:67 c. 14:67 d. 14:81 9. What is the value of y in the proportion y 42 a. y = 12 b. y = 15 c. y = 18 d. y = 21 10. In the proportion (x+2) : 5 = 9 : 15, what is x? a. x=1 b. x=2 c. x=3 d. x=4 11. What is y in the proportion 10 6 ? y+2 y-4 a. y=12 b. y=13 c. y=14 d. y=15 12. In the class there are 20 boys and 15 girls, the ratio of boys to girls is? a. 4:3 c. 4:5 b. 3:4 d. 5:4