Rata-rata 15 bilangan adalah 0. Bila bilangan a, b, c, d, dan e ditambahkan maka rata-ratanya bertambah 5. Rata-rata bilangan-bilangan yang ditambahkan adalah ... .
TEST OLIMPIADE MATEMATIKA SMP

Quiz
•
Mathematics
•
12th Grade
•
Hard
Wiwit Keswari
Used 159+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
20
16
15
10
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
9651
9561
6561
4096
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Di antara bilangan bulat berikut, yang bernilai ganjil untuk setiap bilangan bulat n adalah ....
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Banyak faktor prima dari 318 - 218 adalah ….
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diketahui x bilangan real dengan 2X = 3, maka nilai 43X+1 = ….
1724
2916
3852
4664
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Seorang siswa telah mengikuti tes sebanyak n kali dan memperoleh nilai rata-rata 80. Berapakah nilai yang harus diperoleh siswa tersebut pada tes selanjutnya supaya rata-ratanya menjadi 82?
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Bayu berangkat dari Jakarta ke Jayapura dengan pesawat terbang pukul 10.00 WIB dan tiba di Jayapura pukul 14.30 WIT. Jika di tengah perjalanan pesawat singgah di Makassar selama 30 menit, berapa jam waktu yang diperlukan aja untuk sampai di Jayapura?
1 jam
2 jam
2,5 jam
3 jam
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