C-11-Q104mediumsingle_mcq

If $a:b = 3:4$ and $b:c = 6:7$ , then $a:b:c =$

The common term $b$ is $4$ and $6$ , with L.C.M. $12$ ; scaling gives $a:b=9:12$ and . Hence .

104/180

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3:6:7

d

4:6:7

9

:

12

b:c=12:14

a:b:c=9:12:14