m and x are positive integers.
Statement 1: x is a positive multiple of 8m.
x=8m*p where p can be any positive integer,
Statement 1 alone is not sufficient as m and p can be any positive integer.
Statement 2: x is a factor of 8m.
8m=x*q where q can be any positive integer.
Statement 2 alone is not sufficient as m and q can be any positive integer.
Combining both statements:x is a positive multiple of 8m and x is a factor of 8m:
It can only be possible when x=8m. For instance, 2 is the multiple of 2 and 2 is a factor of itself i.e. 2
But, m can be any positive integer. Combining both statements do not give us one value of x, so both statements are not sufficient to solve the problem.
Correct answer is E
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