Paper 6 [PDF]

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Section A For questions 1 to 10, each correct answer is awarded 6 marks. 1. Roy writes the array of numbers with the rows as numbered below.



Find the sum of all numbers in Row 10.



1



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© SEAMO X 2020







2. !"#$ is a 3 × 4 rectangle with !( = (* = *" = 1 . Find the area of the shaded region.



© SEAMO X 2020



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2







3. Given that , , - and . are all non-zero real numbers and , + - + . = 0 . Evaluate 1 2323 − 2020 ∙ 1, where 1 =



7 8 : – + . 89: :97 798



4. Isosceles right-angled triangle !"# encloses a semicircle of area 2