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1. 2x + 3y3x + 2y = 56 হলে, x : y = কত?
- A. 8 : 3
- B. 8 : 3
- C. 8 : 3
- D. 8 : 3
Answer: Option A
Explanation:
(2x + 3y)/(3x + 2y) = (5/6)
= > 15x + 10y = 12x + 18y
= > 15x - 12x =18y - 10y
= > 3x = 8y
= > (x/y) = (8/3)
∴x:y = 8:3
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