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  3. In a mathematical competition consisting of 25 problems, 8 marks are given for each correct response, 0 marks for each incorrect response and each no response is awarded 3 marks. Tim scored 121 marks in this competition. What is the smallest number of inc
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In a mathematical competition consisting of 25 problems, 8 marks are given for each correct response, 0 marks for each incorrect response and each no response is awarded 3 marks. Tim scored 121 marks in this competition. What is the smallest number of incorrect responses he could have?

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