Question

If a:b = 2:3 and b:c = 4:3, then find a:b:c

• A. 8:12:9
• B. 2:3:8
• C. 2:3:9
• D. 2:3:12
• E. None of these

Answer 1

The correct option is A

8:12:9

$a:b=2:3$

$b:c=4:3=4\times \frac{3}{4}:3\times \frac{3}{4}=3:\frac{9}{4}$

$a:b:c=2:3:\frac{9}{4}=8:12:9$