Find the missing term in the proportion, 3 : 8 = 12 : N

a. 96
b. 24
c. 32
d. 2

9. Which of the following is not a proportion?

a. 6 : 9 = 10 : 15
b. 4 : 5 = 20 : 25
c. 9 : 6 = 12 : 8
d. 8 : 32 = 10 : 86

10. A piece of cable wire is 8 cm long and weighs 52 grams. What will a 10 cm length of the cable wire weigh?

a. 65 grams
b. 55 grams
c. 45 grams
d. 35 grams

11. If 3 farmers can plow a field in 4 days, how long will 6 farmers do it?

a. 8 days
b. 2 days
c. 10 days
d. 5 days

12. Two numbers are in the ratio 5 : 3. If the sum is 88, find the 2 numbers.

a. 55 and 33
b. 44 and 44
c. 66 and 22
d. 11 and 77​