1.

Lf a:b_5:6andb:c_4:7find a:b:c

Answer»

ANSWER:

MAKE the VALUE of b same in both ratio by taking lcm i.e lcm of 6,4 is 12

so NEW RATION is a:b become 10:12 and b:c become 12:21

so a:b:c will be 10:12:21



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