Aptitude Question ID : 90080

If a:b=5:9 and b:c=6:11; Then Find a:b:c
[A]5:6:11
[B]5:9:11
[C]10:18:11
[D]10:18:33

10:18:33
$latex \because a:b=5:9, b:c=6:11=6\times \frac{9}{6}:11\times \frac{9}{6}=9:\frac{33}{2}&s=2$
$latex \therefore a:b:c=5:9:\frac{33}{2}=10:18:33&s=2$
Hence option [A] is the right answer.


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