Question

28. If the modes of the set
{1, 3, 6, 9, 12, 4x - y, y - x} are 6 and 9, then
x + y is
I) 16
II) 19
III) 21
A) I only
B) II only
C) Both I and III
D) Both I and II

Answer 1

Answer:

Answer is (C) one only

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