Meena S. answered 10/06/16
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Hi Kala,
suppose first number is x
so second number would be x+7
Third number would be 3x
Sum of 3 numbers = x+x+7+3x=127
5x+7 = 127
5x=120
x= 120/5=24
first number = 24
second number = 24+7= 31
Third number = 3x= 24*3= 72
Numbers are, 24,31,72.