alleryজিংক আৰু তামৰ এটা সংকৰ ধাতুত অনুপাত 5 : 3। ইয়াৰ 40 kg-ত কিমান জিংক আছে?
A15 kg
B25 kg
C30 kg
D20 kg
Answer & Solution
Correct answer: B. 25 kg
সংকৰ ধাতুবিধৰ 5/8 অংশ হ'ল জিংক, আৰু 40 kg-ৰ 5/8 অংশ হ'ল 25 kg।
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