Soal Seleksi Olimpiade SMP
Quiz
•
Mathematics
•
6th - 8th Grade
•
Practice Problem
•
Hard
Agus Dava
Used 4+ times
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18 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Sebuah kelas memiliki 30 siswa. Jika nilai rata-rata ujian Matematika mereka adalah 85 dan standar deviasi adalah 5, maka berapa banyak siswa yang mendapat nilai antara 80 dan 90
20
21
22
23
2.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Sebuah dadu biasa dilemparkan dua kali. Berapa peluangnya untuk mendapatkan jumlah mata yang sama pada kedua lemparan?
1/6
1/12
1/18
1/36
3.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Diketahui lima bilangan yaitu a, b, c, d dan e. Rata-rata bilangan a, b dan c adalah 8. Rata-rata bilangan a, b, c, d dan e adalah 7,2. Jika bilangan e adalah dua kali bilangan d, bilangan e adalah?
7
7,5
8
8,5
4.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Pada segitiga PQR, titik S terletak pada PQ sehingga PR = 35, PS = 11 dan RQ = RS = 31, maka panjang SQ adalah?
11
12
13
14
5.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Harga sepotong kue turun dari Rp250,00 menjadi Rp200,00. Dengan uang Rp4.000,00, berapa potong kue lebih banyak yang dapat dibeli?
2
4
8
20
6.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Persamaan garis lurus yang melalui titik potong antara garis x -3.y + 7 = 0 dengan garis 3.x + 2.y -1= 0 serta tegak lurus terhadap garis x + 2.y -3 = 0 adalah
2.x - y + 6 = 0
2.x + y + 4 = 0
2.x - y - 6 = 0
2.x - y + 4 = 0
7.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Sepuluh pasang suami istri mengikuti suatu pesta. Mereka kemudian berjabat tangan satu sama lain. Namun demikian setiap pasang suami istri tidak pernah berjabatan tangan, maka banyaknya jabatan tangan yang terjadi adalah?
171
153
136
120
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