alleryएक परीक्षा में 70 (भार 1) और 85 (भार 2) अंक हैं। भारित माध्य क्या है?
A78
B82
C80
D77.5
Answer & Solution
Correct answer: C. 80
भारित कुल योग 70 + 170 = 240 है, और 240 को 3 से विभाजित करने पर 80 प्राप्त होता है।
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