Difference between revisions of "1997 PMWC"

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== Problem I1 ==
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The following is a list of [[PMWC]] problems from the year 1997
Evaluate 29 27/28 x 27 14/15
 
[[1997 PMWC Problems/Problem I1|Solution]]
 
  
== Problem I2 ==
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*[[1997 PMWC Problems|Entire Exam]]
 
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*[[1997 PMWC Answer Key|Answer Key]]
[[1997 PMWC Problems/Problem I2|Solution]]
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**[[1997 PMWC Problems/Problem I1|Problem I1]]
 
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**[[1997 PMWC Problems/Problem I2|Problem I2]]
== Problem I3 ==
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**[[1997 PMWC Problems/Problem I3|Problem I3]]
 
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**[[1997 PMWC Problems/Problem I4|Problem I4]]
[[1997 PMWC Problems/Problem I3|Solution]]
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**[[1997 PMWC Problems/Problem I5|Problem I5]]
 
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**[[1997 PMWC Problems/Problem I6|Problem I6]]
== Problem I4 ==
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**[[1997 PMWC Problems/Problem I7|Problem I7]]
 
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**[[1997 PMWC Problems/Problem I8|Problem I8]]
[[1997 PMWC Problems/Problem I4|Solution]]
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**[[1997 PMWC Problems/Problem I9|Problem I9]]
 
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**[[1997 PMWC Problems/Problem I10|Problem I10]]
== Problem I5 ==
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**[[1997 PMWC Problems/Problem I11|Problem I11]]
 
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**[[1997 PMWC Problems/Problem I12|Problem I12]]
[[1997 PMWC Problems/Problem I5|Solution]]
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**[[1997 PMWC Problems/Problem I13|Problem I13]]
 
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**[[1997 PMWC Problems/Problem I14|Problem I14]]
== Problem I6 ==
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**[[1997 PMWC Problems/Problem I15|Problem I15]]
 
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**[[1997 PMWC Problems/Problem T1|Problem T1]]
[[1997 PMWC Problems/Problem I6|Solution]]
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**[[1997 PMWC Problems/Problem T2|Problem T2]]
 
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**[[1997 PMWC Problems/Problem T3|Problem T3]]
== Problem I7 ==
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**[[1997 PMWC Problems/Problem T4|Problem T4]]
 
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**[[1997 PMWC Problems/Problem T5|Problem T5]]
[[1997 PMWC Problems/Problem I7|Solution]]
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**[[1997 PMWC Problems/Problem T6|Problem T6]]
 
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**[[1997 PMWC Problems/Problem T7|Problem T7]]
== Problem I8 ==
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**[[1997 PMWC Problems/Problem T8|Problem T8]]
 
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**[[1997 PMWC Problems/Problem T9|Problem T9]]
[[1997 PMWC Problems/Problem I8|Solution]]
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**[[1997 PMWC Problems/Problem T10|Problem T10]]
 
 
== Problem I9 ==
 
 
 
[[1997 PMWC Problems/Problem I9|Solution]]
 
 
 
== Problem I10 ==
 
Mary took 24 chickens to the market. In the morning she
 
sold the chickens at <math>7 each and she only sold out less than
 
half of them. In the afternoon she discounted the price of
 
each chicken but the price was still an integral number in
 
dollar. In the afternoon she could sell all the chickens, and
 
she got totally </math>132 for the whole day. How many
 
chickens were sold in the morning?
 
 
 
[[1997 PMWC Problems/Problem I10|Solution]]
 
 
 
== Problem I11 ==
 
 
 
[[1997 PMWC Problems/Problem I11|Solution]]
 
 
 
== Problem I12 ==
 
 
 
[[1997 PMWC Problems/Problem I12|Solution]]
 
 
 
== Problem I13 ==
 
 
 
[[1997 PMWC Problems/Problem I13|Solution]]
 
 
 
== Problem I14 ==
 
 
 
[[1997 PMWC Problems/Problem I14|Solution]]
 
 
 
== Problem I15 ==
 
 
 
[[1997 PMWC Problems/Problem I15|Solution]]
 
 
 
== Problem T1 ==
 
 
 
[[1997 PMWC Problems/Problem T1|Solution]]
 
 
 
== Problem T2 ==
 
 
 
[[1997 PMWC Problems/Problem T2|Solution]]
 
 
 
== Problem T3 ==
 
Peter is ill. He has to take medicine A every 8 hours,
 
medicine B every 5 hours and medicine C every 10 hours.
 
If he took all three medicines at 7 a.m. on Tuesday, when
 
will he take them altogether again?
 
[[1997 PMWC Problems/Problem T3|Solution]]
 
 
 
== Problem T4 ==
 
 
 
[[1997 PMWC Problems/Problem T4|Solution]]
 
 
 
== Problem T5 ==
 
 
 
[[1997 PMWC Problems/Problem T5|Solution]]
 
 
 
== Problem T6 ==
 
John and Mary went to a book shop and bought some exercise books. They had <dollar/>100 each. John could buy 7 large and 4 small ones. Mary could buy 5 large and 6 small ones and had <dollar/>5 left. How much was a small exercise book?
 
 
 
[[1997 PMWC Problems/Problem T6|Solution]]
 
 
 
== Problem T7 ==
 
40% of girls and 50% of boys in a class got 'A'. If there
 
are only 12 students in the class got 'A's and the ratio of
 
boys and girls in the class is 45, how many students are
 
there in the class?
 
 
 
[[1997 PMWC Problems/Problem T7|Solution]]
 
 
 
== Problem T8 ==
 
 
 
[[1997 PMWC Problems/Problem T8|Solution]]
 
 
 
== Problem T9 ==
 
A chemist mixed an acid of 48% concentration with the
 
same acid of 80% concentration, and then added 2 litres of
 
distilled water to the mixed acid. As a result, he got 10
 
litres of the acid of 40% concentration. How many
 
millilitre of the acid of 48% concentration that the chemist
 
had used? (1 litre = 1000 millilitres)
 
 
 
[[1997 PMWC Problems/Problem T9|Solution]]
 
 
 
== Problem T10 ==
 
 
 
[[1997 PMWC Problems/Problem T10|Solution]]
 

Latest revision as of 16:24, 16 April 2014

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