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2011 Math Kangaroo

Problem 1

Problem 1 · 2011 Math Kangaroo Easy
Arithmetic & Operations careful-countingoff-by-one

Bernd wants to paint the word KANGAROO. He begins on a Wednesday and paints one letter each day. On which day will he paint the last letter?

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Answer: C — Wednesday
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Hint 1 of 2
Write the days out one letter at a time, starting on Wednesday.
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Hint 2 of 2
KANGAROO has eight letters — land on the right weekday for the eighth one.
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Approach: count days letter by letter
  1. KANGAROO has 8 letters, painted on 8 days in a row starting Wednesday.
  2. Wed, Thu, Fri, Sat, Sun, Mon, Tue are the first seven days; the eighth day is the next Wednesday, answer C.
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