Answer : 4 -1 Explanation : Answer: D) -1 Explanation: 3, 7, 6, 5, 9, 3, 12, 1, 15, ... has two different series1) 3, 6, 9, 12, 15.....2) 7, 5, 3, 1, .....-1 is the next number.

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Find the next number in the given series ?3, 7, 6, 5, 9, 3, 12, 1, 15, . . .

Answer : 4 -1 Explanation : Answer: D) -1 Explanation: 3, 7, 6, 5, 9, 3, 12, 1, 15, ... has two different series1) 3, 6, 9, 12, 15.....2) 7, 5, 3, 1, .....-1 is the next number.

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