Relationship between three numbers of a set is as follows:
(First Number+Second Number)/3 = Third Number
(30+54)/3=28
.'. Only correct set is (36, 45, 27), where (36+45)/3=27
Option 7)
mathematics is the art of managing numbers with mindful manner.
rekha gupta
Each and every person in this world are having "constant mind"...DIFFERENTIATE others mind and INTEGRATE urs.MATHEMATICS SIMPLY MAKES YOU UNSTOPPABLE !!!