[PDF] Top 20 2016IMAS Second Round Upper Primary Division Full Solutions

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... If there are less than 4 rows with pieces more than 1, covering 4 rows with the most pieces will leave all remaining row each contains no more than one piece. The remaining pieces can be covered by 4 columns, ... See full document

... When n  2004 , then ( q  1)( r   1) 668  2 2  167, so 668 cannot be expressed as the product of even numbers greater than 2. Hence, 2004 did not meet the condition of the problem. Case 3: If 2    p q r , then ... See full document

... Answer: 3600 dollars. 7. The diagram shows a path consisting of four semi-circular arcs. Each arc is of length 100 m and uses a different side of a square as its diameter. Initially, Jane is at A and Yves at B. They ... See full document

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... 【Solution】 If there is no carry when the number is added by 1, sum of digits increases by 1, contradiction to that both sum of digits are divided by 4. If there is a carry, the last digit is 9. Since the sum of all ... See full document

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... Thus, Max must cut a minimum of 50 × 4 + 5 × 12 = 260 cm paper strips. Hence, we select option (A). Answer: (A) 14. The tap is leaking at the rate of one drop per second. The volume of each drop is 0.05 mL. At 9 ... See full document

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... the second set when divided by 3 will give a remainder of 2 and each number in the third set when divided by 3 or when each of them is divided by 3 will give a remainder of ... See full document

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... Similarly, one 5-pence coin can be exchanged with five 1-penny coins and hence there are 4 more coins after such an exchange. After second trading, Fanny has 56 32 − = 24 more coins, so she has taken 24 4 6 ÷ = ... See full document

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... Notice: Individual students, nonprofit libraries, or schools are permitted to make fair use of the papers and its solutions. Republication, systematic copying, or multiple reproduction of any part of this material ... See full document

... Notice: Individual students, nonprofit libraries, or schools are permitted to make fair use of the papers and its solutions. Republication, systematic copying, or multiple reproduction of any part of this material ... See full document