1. Determine whether the following conditions “can” or “cannot” form sets.

a. Beautiful flowers

b. SMP Students of Year VII having birthday on the 1st of July

c. SMP teachers who are less than 40 years old

d. The wise mathematics teachers

e. The even numbers between 1 and 10

f. The prime numbers less than 20

g. The clever students of grade VII

h. The kind parents

i. The mathematics textbooks for SMP

j. The smart people

2. Given P = {prime factor of 24}.

Check whether the following statements are true or false.

a. 1 ∈ P d. 2 ∈ P g. 3 P j. 4 ∉ ∈ P

b. 5 P e. 6 ∉ ∈ P h. 7 ∈ P k. 8 ∈ P

c. 9 P f. 11 ∉ ∈ P i. 12 ∈ P l. 24 P∉