Let S be a set of first 10 natural numbers. What is the possible numbe – McqOptions

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1.	Let S be a set of first 10 natural numbers. What is the possible number of pairs (a, b) where a, b ∈ S and a ≠ b such that the product ab (>12) leaves remainder 4 when divided by 12?
A.	4
B.	6
C.	8
D.	10
Answer» D. 10

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