30% கொண்ட ஒரு குழுவில் 70% பங்கு என்பது ஒட்டுமொத்தத்தில் எத்தனை சதவீதம் ஆகும்?
A18%
B21%
C24%
D27%
Answer & Solution
Correct answer: B. 21%
70%-ஐ 30%-உடன் பெருக்கினால் ஒட்டுமொத்தத்தில் 21% கிடைக்கிறது.
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