alleryزنک اور تانبے کا مرکب 5 : 3 کے تناسب میں ہے۔ اس کے 40 کلوگرام میں کتنا زنک ہے؟
A15 kg
B25 kg
C30 kg
D20 kg
Answer & Solution
Correct answer: B. 25 kg
زنک الائے کا 5/8 ہے، اور 5/8 40 kg کا 25 کلوگرام ہے۔
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