(3a + 2b)/(2a + 3b) = 6/5 হলে, a : b = কত?

(3a + 2b)/(2a + 3b) = 6/5 হলে, a : b = কত?

A 6/5

B 8/3

C 5/6

D 5/12

Solution

Correct Answer: Option B

3a + 2b)/(2a + 3b) = 6/5
⇒ 15a + 10b = 12a + 18b
⇒ 3a = 8b
⇒ a/b = 8/3