Yuk, Uji Pemahamanmu Tentang Himpunan!

Quiz
•
Mathematics
•
7th Grade
•
Hard
Dwi Eriko
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Manakah yang merupakan contoh himpunan?
Kumpulan makanan enak
Kumpulan siswa yang rajin
Himpunan huruf vokal
Kumpulan orang baik
Answer explanation
Himpunan harus jelas anggotanya. “Huruf vokal” jelas (a, i, u, e, o), sedangkan "siswa rajin" atau "orang baik" tidak bisa dipastikan siapa saja anggotanya.
2.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Diketahui A = {2, 4, 6}, B = {4, 5, 6, 7}.
Berapakah banyak anggota dari A ∪ B?
5
6
4
3
Answer explanation
Gabungan (A ∪ B) = {2, 4, 5, 6, 7} → Banyak anggota = 5
3.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Himpunan P = {x | x adalah huruf vokal dari kata “KOMPUTER”}
Maka P adalah...
{O, U, E}
{K, M, P, T, R}
{A, I, U, E, O}
{O, E, R}
Answer explanation
Huruf vokal dalam “KOMPUTER” = O, U, dan E → jadi P = {O, U, E}
4.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Himpunan semesta S = {1, 2, 3, 4, 5, 6}, A = {2, 4, 6}, maka A' adalah...
{2, 4, 6}
{1, 3, 5}
{1, 2, 3}
{4, 5, 6}
Answer explanation
Komplemen A (A’) = anggota semesta yang tidak ada di A →
A' = {1, 3, 5}
5.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Jika A = {a, b, c}, dan B = {b, c, d}, maka A ∩ B = ...
{a, b, d}
{b, c}
{a, d}
{a, b, c, d}
Answer explanation
Irisan (∩) = anggota yang sama di A dan B → yaitu b dan c → A ∩ B = {b, c}
6.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Diketahui: A = {1, 3, 5, 7, 9} dan B = {0, 3, 6, 9}, maka A ∪ B adalah ....
{0, 1, 3, 5, 6, 7, 9}
{1, 3, 5, 6, 7, 9}
{0, 1, 3, 5, 6, 7}
{3, 9}
Answer explanation
A = {1, 3, 5, 7, 9}
B = {0, 3, 6, 9}
A ∪ B = {0, 1, 3, 5, 6, 7, 9}
7.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Diketahui P = {bilangan asli kurang dari 5}, Q = {bilangan cacah kurang dari 6}, dan R = {bilangan ganjil kurang dari 6}, maka n(P – (Q ∩ R)) adalah ....
1
2
3
4
Answer explanation
P = {bilangan asli kurang dari 5}
= {1, 2, 3, 4}
Q = {bilangan cacah kurang dari 6}
= {0, 1, 2, 3, 4, 5}
R = {bilangan ganjil kurang dari 6}
= {1, 3, 5}
(Q ∩ R) = {1, 3, 5}
P – (Q ∩ R) = ({1, 2, 3, 4} - {1, 3, 5})
n(P – (Q ∩ R)) = 4 – 3
= 1
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