Question
Download Solution PDFX 94 ചോദ്യങ്ങൾക്ക് ഉത്തരം നൽകി 141 മാർക്ക് നേടുന്നു. ഓരോ ശരിയായ ഉത്തരത്തിനും 4 മാർക്ക് നൽകുകയും ഓരോ തെറ്റായ ഉത്തരത്തിനും 1 മാർക്ക് കുറയ്ക്കുകയും ചെയ്താൽ, X തെറ്റായി ഉത്തരം നൽകിയ ചോദ്യങ്ങളുടെ എണ്ണം ______ ആണ്.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFശരിയായ ഉത്തരങ്ങളുടെ എണ്ണം M ആയിരിക്കട്ടെ.
തെറ്റായ ഉത്തരങ്ങളുടെ എണ്ണം 94 ആയിരിക്കും - M
⇒ 4 × M – (94 – M) = 141
⇒ 5M = 235
⇒ M = 47
∴ 47 ചോദ്യങ്ങൾക്ക് അദ്ദേഹം ഉത്തരം നൽകി.Last updated on Jul 5, 2025
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