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Contoh2 soalan dan jawaban Matematik PMR

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Post time 24-8-2012 09:50 PM | Show all posts |Read mode
As Salam Semua

Saya akan cuba posting dari masa ke semasa, contoh-contoh soalan dan jawaban Matematik PMR di sinil.Perlu diingatkan yang saya bukan pakar semua topik Matematik PMR dan oleh itu saya cuma akan posting topik2 yang saya selesa dan betul2 yakin sahaja di disini. Kalau ada yang nak tumpang posting pun, dipersilakan ya.


In 2011 the number of foreigntourists visiting Malaysiawas 300,000 less than that in 2010.If the number of foreign tourists visiting Malaysia in2010 was 3,750,000 , find the percentage of the decrease.

Vocabulary
1.         number of foreign tourists     -     Jumlah pelancung asing
2.         less than that in 2010        -       kurangdaripada jumlah dalam tahun 2010
3.         find the percentage of the decrease  -                  cariperatusan pengurangan


Tips jawab soalan

1.         Cari jumlah asal baranganatau benda dalam soalan.Kalau diberi itu merupakan jumlah keseluruhan ataumerupakan 100%.
2.         Kalau tak diberi jumlahkeseluruhan maka biasanya soalan itu memerlukan anda mencari jumlah 100% itu.
3.         Baca betul2 soalan yangdiberi dan semak jumlah asal dan berapa jumlah peratus yang soalan mahukan.

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 Author| Post time 24-8-2012 09:51 PM | Show all posts
Solution tothe question
  
Analisa soalan:-

1. Objek yang ditanya – percentage ofthe decrease
2. Jumlah keseluruhan yang asal – 2010was 3,750,000
     3. Number ofdecrease -300,000

4. Apa yang dicari /ditanya soalan? – What is the percentage of decrease in the number of foreigntourists in 2011 compared to 2010.




Macam mana nak cari ?
1.We know that in term of number, the decrease in 2011  = 300,000 tourist
2. Percentage of decrease = ( number of decrease in 2011 /total number oftourists in 2010 ) X 100


Penyelesaian

Gunakan maklumatitu untuk cari jumlah 100%.
Gunakan formula berikut:-

Decrease in 2011 —————————— 300,000 tourist

100% —————————— Total number of tourists in 2011

Percentage of decrease = ( number of decrease /total number of tourists in2011 ) X 100


    300,000            X 100
    3,750,000


= 8%

Answer = The percentage of thedecrease in 2011 is 8%


To double check the answer.
8% of total number of tourists in 2011 must be 300,000

Check:

8 X 3,750,000
100

= 300,000

So, the answer, the percentage ofthe decrease in 2011 is 8% is correct!

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