Which of the following are not in proportion?
A28, 42, 30, 45
B15, 21, 25, 35
C21, 35, 32, 48
D24, 40, 12, 20
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Which of the following are not in proportion?
A28, 42, 30, 45
B15, 21, 25, 35
C21, 35, 32, 48
D24, 40, 12, 20