alleryStart learning →A mixture of 80 kg has substances A, B, C, D in the ratio 5:9:4:2. The mass of B is
A36 kg
B20 kg
C40 kg
D16 kg
Answer & Solution
Correct answer: A. 36 kg
The parts total 20, so B is 9/20 of 80 kg, which is 36 kg.
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