यदि (a)/(b) = (4)/(5) और (b)/( c) = (15)...

यदि `(a)/(b) = (4)/(5)` और `(b)/( c) = (15)/(16)`, तो `(18c^(2) - 7a^2)/( 45c^2 + 20a^2)` का मान है-

A

`1/3`

B

`2/5`

C

`3/4`

D

`1/4`

लिखित उत्तर

Verified by Experts

The correct Answer is:

D

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