allery40 kg கலவையில் A, B, C, D ஆகியவை 5 : 9 : 4 : 2 என்ற விகிதத்தில் உள்ளன. B-ன் அளவு
A16 kg
B18 kg
C20 kg
D9 kg
Answer & Solution
Correct answer: B. 18 kg
20 பங்குகளின் எடை 40 kg, எனவே ஒரு பங்கு 2 kg மற்றும் B என்பது 9 x 2 = 18 kg ஆகும்.
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