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If a:b=2:3 and b:c = 2:3, then the value...

If a:b=2:3 and b:c = 2:3, then the value of `(3a^2+b^2+c^2): (a^2+2b^2+c^2)`= ?
यदि a:b=2:3 तथा b:c = 2:3 है, तो `(3a^2+b^2+c^2): (a^2+2b^2+c^2)` का मान क्या होगा ?

A

`169:165`

B

`165:169`

C

`7:5`

D

`5:7`

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