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In an exam, a student attempted 23 questions and secured 45 marks. If for every correct answer 3 marks were awarded and for every wrong answer 1 mark was deducted then how many of his answers were wrong
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If angle b measures 25°, what is the approximate perimeter of the triangle below? 10.3 units 11.8 units 22.1 units 25.2 units
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In an exam, a student attempted 23 questions and secured 45 marks. If for every correct answer 3 mar...
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