
Seleksi OSN Matematika
Quiz
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Hard
Zaidah Rahmawati
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Bentuk sederhana dari 2√50 + 3√2 - √32 adalah…
10√2
9√2
8√2
11√2
2.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Kelipatan persekutuan terkecil dari 42, 210, dan 70 adalah…
50
100
210
220
3.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Jika (3ax+2y)(2x−by) = cx2−14xy−6y2
maka nilai dari 10c adalah...
100
120
140
160
4.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
9999
10000
15000
20000
5.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
3-√6
2√3-3
3+√6
2√3+3
6.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Suatu bak penampungan air berbentuk kerucut terbalik, berisi air dengan volume 1 Liter. jika bak penampungan air tersebut ditambahkan air 331 ml. maka perbandingan tinggi air di bak penampungan air sebelum dan sesudah ditambahkan air adalah....
10 : 11
11 : 13
331 : 1000
1000 : 1331
7.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Perhatikan setengah lingkaran pusat O dan diameter AB
berikut!
Titik C terletak pada busur AB dan P adalah pusat lingkaran
dalam ABC. Titik P dilalui DE yang tegak lurus AO, Jika
DE = 4 cm, maka luas daerah ∆OBC adalah... cm2
2
4
8
16
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