Question
Download Solution PDFX என்பவர் 94 கேள்விகளுக்கு முயற்சி செய்து 141 மதிப்பெண்களைப் பெறுகிறார். ஒவ்வொரு சரியான பதிலுக்கும் 4 மதிப்பெண்கள் வழங்கப்பட்டு, ஒவ்வொரு தவறான பதிலுக்கும் 1 மதிப்பெண் கழிக்கப்பட்டால், X ஆல் தவறாகப் பதிலளிக்கப்பட்ட கேள்விகளின் எண்ணிக்கை ______ ஆகும்.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFசரியான விடைகளின் எண்ணிக்கை M ஆக இருக்கட்டும்.
தவறான பதில்களின் எண்ணிக்கை 94 - M.
⇒ 4 × M – (94 – M) = 141
⇒ 5M = 235
⇒ M = 47
∴ அவர் 47 கேள்விகளுக்கு பதிலளித்தார்.Last updated on Jul 16, 2025
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