alleryఒక పరీక్ష సరైన సమాధానానికి +5 మరియు ప్రతి తప్పుకు −2; 18 సమాధానాల స్కోర్ 55. సరైన గణన?
A13
B15
C14
D12
Answer & Solution
Correct answer: A. 13
c సమాధానాలు సరైనవి అయితే, 5c - 2(18 - c) = 55 7c = 91 మరియు c = 13 ఇస్తుంది.
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