if a:b is 5:7 and b:c is 6:11, then a:b:c
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Given :
A : B = 5 : 7
B : C = 6 : 11
To Find :
A : B : C
Solution :
We can easily find A : B : C whenever B in both ratios are same
B in 1st ratio = 7
B in 2nd ratio = 6
LCM of 7 , 6 is 42
A : B : C = 30 : 42 : 77
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