alleryایک ٹیسٹ +5 فی درست جواب اور −2 فی غلط جواب دیتا ہے۔ 18 جوابات کا اسکور 55۔ درست شمار؟
A13
B15
C14
D12
Answer & Solution
Correct answer: A. 13
اگر c کے جوابات درست ہیں، 5c − 2(18 − c) = 55 دیتا ہے 7c = 91 اور c = 13۔
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