3548172
Beschreibung
Quiz von Yizhen Yang, aktualisiert more than 1 year ago
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Erstellt von Yizhen Yang
vor fast 9 Jahre
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Frage 1
Frage
Given that circles with centres A and B have radii 3 and 6 respectively, CD is a common tangent that touches the circles at C and D, E is the point of intersection between AB and CD, and AE=5, find CD.
Antworten
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12
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13
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10
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11
Frage 2
Frage
Given that ABCD and CEHG are squares, CE=14 and AB>14, find the area of ΔAEG.
Antworten
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98
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196
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100
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200
Frage 3
Frage
A grid of squares measuring 9 units by 6 units has the two corners removed as shown in the figure below. How many squares of any size are contained within this grid?
Antworten
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52
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104
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142
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140
Frage 4
Frage
Victor's age is a prime number. John's age has 8 factors and he is one year older than Victor. Of the following numbers, which could be the sum of their ages?
Antworten
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69
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75
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87
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107
Frage 5
Frage
How many 2-digit numbers have the property that the sum of the digits is a perfect square?
Antworten
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15
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17
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18
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19
Frage 6
Frage
Three positive integers have a sum of 96. The sum of any two is divisible by the third. Which is the largest of these three integers?
Antworten
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68
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48
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70
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69
Frage 7
Frage
How many real solutions are there to the equation |x-2|+|x+3|=1?
Antworten
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0
-
1
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3
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∞
Frage 8
Frage
Given that m=|x+2|+|x-1|-|2x-4|, find the maximum value of m.
Antworten
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1
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5
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7
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0
Frage 9
Frage
Given that the area of ΔBDE=1, the area of ΔCDE=3 and DE//AC, find the area of ΔACD.
Antworten
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6
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9
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12
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15
Frage 10
Frage
2 ordinary dice are rolled. What is the probability that the product of the two numbers obtained is a multiple of 6?
Antworten
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5/12
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1/2
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13/36
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1/3
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