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Oxford University MAT 2015 Solved Papers

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Question : 1

Total: 10

Pick a whole number.
Add one.
Square the answer.
Multiply the answer by four.
Subtract three.
Which of the following statements are true regardless of which starting number is chosen?
I The final answer is odd.
II The final answer is one more than a multiple of three.
III The final answer is one more than a multiple of eight.
IV The final answer is not prime.
V The final answer is not one less than a multiple of three.

I III, and V,
I and IV,
II and V,
I, III, and V,
I and V.

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