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A 40% محلول میں 28 L ارتکاز ہوتا ہے۔ اس کا کل حجم کیا ہے؟

A60 L
B65 L
C70 L
D75 L
Answer & Solution
Correct answer: C. 70 L
اگر 28 L 40% ہے، تو پوری مقدار 28 کو 0.4، یا 70 L سے تقسیم کیا جاتا ہے۔
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