Question
Download Solution PDFX అనే వ్యక్తి 94 ప్రశ్నలకు ప్రయత్నించి 141 మార్కులు పొందుతుంది. ప్రతి సరైన సమాధానానికి 4 మార్కులు ఇవ్వబడితే, మరియు ప్రతి తప్పు జవాబుకు 1 మార్కు తీసివేయబడితే, అప్పుడు X తప్పుగా సమాధానమిచ్చే ప్రశ్నల సంఖ్య ______.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFసరైన సమాధానాల సంఖ్య Mగా ఉండనివ్వండి.
తప్పు సమాధానాల సంఖ్య 94 - M.
4 × M - (94 - M) = 141
5M = 235
M = 47
అతను 47 ప్రశ్నలకు తప్పుగా సమాధానమిచ్చాడు.
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