Question:If `76` is divided into four parts proportional to `7, 5, 3, 4,` the smallest part is :
A `12` B `15` C `16` D `19`
+ AnswerA
+ ExplanationGiven Ratio is `7 : 5 : 3 : 4`. `:.` Smallest part `= (76 xx 3/(19))` `= 12`.
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