2x+3y3x+2y=56 হলে x:y কত?

A 6 : 8
B 8 : 3
C 5 : 6
D 3 : 8

Correct Answer: 8 : 3

(2x + 3x)/(3x + 2x) = (2/5) = > 15x + 10y = 12x + 18y = > 15x - 12x - 18y - 10y = > 3x = 8y = > (x/y) = (8/3) ∴x:y = 8:3
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