alleryकिसी 30% समूह का 70% हिस्सा कुल का कितना प्रतिशत है?
A18%
B21%
C24%
D27%
Answer & Solution
Correct answer: B. 21%
कुल प्रतिशत = 0.70 * 0.30 = 0.21 = 21%।
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