Arithmetic Series
Determine the value of
-1 + 2 – 3 + 4 – 5 + 6 – 7 + 8 – 9 + 10 – 11 + 12 – 13 + 14 – 15 + 16 – 17 + 18
Answer ?
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October 22, 2010 | Filed Under MathforOlympiad | Leave a Comment
Canadian Mathematics Competition
1. Pat planned to place patio stone in a rectangular garden that has dimensions 15 m by by 2m. If each patio stones measure 0.5 m by 0.5 m, how many stones are needed to cover the garden ?
A. 240
B. 180
C. 120
D. 60
2. The prime numbers between 10 and 20 are needed together to form the number Q. What was the larges prime number divisor of Q ?
A. 2
B. 3
C. 5
D. 7
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October 22, 2010 | Filed Under MathforOlympiad | Leave a Comment
