If 12, 21, 72, 126 are in proportion, then: – McqOptions

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1.	If 12, 21, 72, 126 are in proportion, then:
A.	12 × 72 = 21 × 126
B.	12 × 21 = 72 × 126
C.	12 × 126 = 21 × 72
D.	None of these
Answer» D. None of these

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