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If a/b=3/4 then find the value of 7a-4b:...

If `a/b=3/4` then find the value of `7a-4b:3a+b`.

A

7:1

B

0.21736111111111

C

12:1

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B

Simply substitude the value of a and b as 3 and 4 in the given algebraic ratio
as `(7xx3-4xx4):(3xx3+4)=5:13`
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