alleryA:B = 2:3 এবং B:C = 4:5। A+B+C = 140 হলে, A খুঁজুন।
A32
B28
C24
D40
Answer & Solution
Correct answer: A. 32
সম্মিলিত অনুপাত হল 8:12:15;
A 140 এর 8/35 বা 32 পায়।
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