1997 PMWC

Problem I1

Evaluate 29 27/28 x 27 14/15 Solution

Problem I2

In the multiplication on the right, each letter and each █ represent a single digit. Different letters represent different digits but a █ can represent any digit. What is the five-digit number "HAPPY" stands for?

   █ 1 █

 x   9 █

_________

 █ █ 9 █

█ █ █ 7 █ _________ H A P P Y

Solution

Problem I3

Solution

Problem I4

Solution

Problem I5

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Problem I6

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Problem I7

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Problem I8

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Problem I9

Solution

Problem I10

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Problem I11

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Problem I12

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Problem I13

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Problem I14

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Problem I15

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Problem T1

Solution

Problem T2

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Problem T3

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Problem T4

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Problem T5

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Problem T6

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Problem T7

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Problem T8

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Problem T9

Solution

Problem T10

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