31z5 is a multiple of 3, where z is a digit. then what might be the value of z
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putting value of z=3
we get,3135/3=1045
putting value of z=6
we get,3165/3=1055
putting value of z=9
we get,3195/3=1065
we get,3135/3=1045
putting value of z=6
we get,3165/3=1055
putting value of z=9
we get,3195/3=1065
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