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English 6 Public

Legacy Quiz

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Which one of the following points satisfies both inequalities? 2y<x-3, x+3y ≤7 a) (5,0) b) (5,1) c) (7,2), d) (8,3)

a) (5,0)

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In a number with at least two digits, the last digit was deleted. The resulting number was n times smaller than the previous one. Which is the greatest possible value of n? a) 10 b) 11 c) 19 d) 20

c) 19

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In approximately 240 BC, the Greek mathematician Eratosthenes estimated the circumference of the Earth to be 44,100 km. In fact, the circumference fo the Earth is 40,075 km. What was the percentage error in the estimate given by Eratosthene

10.0%

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A term 12 more than the 20th term of the A.P series 3, 9, 15, 21...is a) 19th term b) 20th term c) 21st term d) 22nd term

d) 22nd term

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Olga, Olive and Opal all contributed towards a charity, giving in the ratio 7:8:12. Altogether, they contributed $40,500. How much more did Opal contribute than Olga? a) $1,500 b) $6,000 c) 6,500 d) 7,500

d) $7,500

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5 boys were weighed in pairs (two boys weighed together each time). The following results were obtained: 90 kg, 92 kg, 93 kg, 94 kg, 95 kg, 96 kg, 97 kg, 98 kg, 99 kg, 100 kg and 101 kg. What is the total weight of all five boys?

a) 230 kg b) 239 kg c) 240 kg d) 250 kg

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