Quiz Matematika #NoSpam!!! #JanganMengasal!!! #JanganMenyalin!!! #TidakJelasTanyaDiKomentar!!! 1. Albert and Bernard had just become friends with Cheryl and the
Matematika
MuhammmadRizky
Pertanyaan
Quiz Matematika
#NoSpam!!!
#JanganMengasal!!!
#JanganMenyalin!!!
#TidakJelasTanyaDiKomentar!!!
1. Albert and Bernard had just become friends with Cheryl and they wanted to know
Her birthday. Cheryl then gives 10 choices, namely:
May 15th May 16th
June 17th June 18th
July 14th July 16th
August 14th May 19th
August 15th August 17th
Cheryl then told Albert and Bernard separately about the months and dates of her birthday in sequence.
Albert and Bernard then made the statement:
Albert : I do not know when Cheryl's birthday is, but I'm sure Bernard does not
Know it too.
Bernard : At first I did not know Cheryl's birthday, but I now know.
Albert : That means I also know Cheryl's birthday.
So, when is Cheryl's birthday?
#NoSpam!!!
#JanganMengasal!!!
#JanganMenyalin!!!
#TidakJelasTanyaDiKomentar!!!
1. Albert and Bernard had just become friends with Cheryl and they wanted to know
Her birthday. Cheryl then gives 10 choices, namely:
May 15th May 16th
June 17th June 18th
July 14th July 16th
August 14th May 19th
August 15th August 17th
Cheryl then told Albert and Bernard separately about the months and dates of her birthday in sequence.
Albert and Bernard then made the statement:
Albert : I do not know when Cheryl's birthday is, but I'm sure Bernard does not
Know it too.
Bernard : At first I did not know Cheryl's birthday, but I now know.
Albert : That means I also know Cheryl's birthday.
So, when is Cheryl's birthday?
1 Jawaban
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1. Jawaban Anonyme
Bab Peluang
Matematika SMP Kelas IX
15 Mei, 16 Mei,
17 Juni, 18 Juni
14 Juli, 16 Juli
14 Agustus, 19 Mei
15 Agustus, 17 Agustus
disusun ulang
14 Juli atau 14 Agustus
15 Mei atau 15 Agustus
16 Mei atau 16 Juli
17 Juni atau 17 Agustus
18 Juni → gugur, karena hanya muncul 1 kali
19 Mei → gugur, karena hanya muncul 1 kali
karena 18 Juni dan 19 Mei dihapus, maka, bulannya juga dihapus
15 Mei, 16 Mei, 17Juni → dihapus
sisa
14 Juli atau 14 Agustus
16 Juli atau 17 Agustus
15 Agustus
Karena terdapat 3 tanggal pada bulan Agustus, semuanya dihapus
14 Agustus, 15 Agustus, 17 Agustus → dihapus
sisa 14 Juli atau 16 Juli
karena pada bulan Agustus terdapat tanggal 14, maka, 14 Juli juga dihapus
14 Juli → dihapus
sisa 16 Juli
jadi, Cheryl ulang tahun pada tanggal 16 Juli