28. If the modes of the set
{1.3, 6, 9, 12, 4x - y, y - x} are 6 and 9, then
x + y is
1.
IL.
III.
16
19
21
A) I only
B) ll only
C) Both I and III
D) Both I and II
3
Answers
Answered by
0
option c is the better answer
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