30 Contoh Soal OSN Matematika SD 2025 (Sonora ID)

Quiz
•
Mathematics
•
5th Grade
•
Medium
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30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1. Jika 5x + 3 = 18, maka nilai x adalah ...
A. 2
B. 3
C. 4
D. 5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2. Berapa jumlah sudut dalam segitiga?
A. 90°
B. 180°
C. 270°
D. 360°
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3. Jika sebuah persegi memiliki panjang sisi 7 cm, berapa luasnya?
A. 49 cm²
B. 56 cm²
c. 42 cm²
D. 21 cm²
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
4. Tiga bilangan berurutan adalah 7, 8, dan 9. Berapakah jumlah ketiganya?
A. 21
B. 22
C. 23
D. 24
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
5. Jika 36 ÷ 4 = x, maka nilai x adalah ...
A. 8
B. 9
C. 10
D. 11
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
6. Sebuah mobil melaju dengan kecepatan 60 km/jam selama 2 jam. Jarak yang ditempuh adalah ...
A. 100 km
B. 110 km
C. 120 km
D. 130 km
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
7. Hasil dari 7 x 8 adalah ...
A. 54
B. 56
C. 58
D. 60
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