Difference between revisions of "1997 PMWC"
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[[1997 PMWC Problems/Problem T6|Solution]] | [[1997 PMWC Problems/Problem T6|Solution]] | ||
Revision as of 16:23, 8 October 2007
Contents
- 1 Problem I1
- 2 Problem I2
- 3 Problem I3
- 4 Problem I4
- 5 Problem I5
- 6 Problem I6
- 7 Problem I7
- 8 Problem I8
- 9 Problem I9
- 10 Problem I10
- 11 Problem I11
- 12 Problem I12
- 13 Problem I13
- 14 Problem I14
- 15 Problem I15
- 16 Problem T1
- 17 Problem T2
- 18 Problem T3
- 19 Problem T4
- 20 Problem T5
- 21 Problem T6
- 22 Problem T7
- 23 Problem T8
- 24 Problem T9
- 25 Problem T10
Problem I1
Evaluate 29 27/28 x 27 14/15 Solution
Problem I2
Problem I3
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?
Problem I4
Problem I5
Problem I6
Problem I7
Problem I8
Problem I9
Problem I10
Mary took 24 chickens to the market. In the morning she
sold the chickens at 
132 for the whole day. How many
chickens were sold in the morning?
Problem I11
Problem I12
Problem I13
Problem I14
Problem I15
Problem T1
Problem T2
Problem T3
Problem T4
Problem T5
Problem T6
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?
Problem T8
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)
