Which of the following statements is FALSE?

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A If a number is divisible by 8, it must be divisible by 4.
B If a number is divisible by both 9 and 10, it is divisible by 90.
C The sum of two consecutive odd numbers is always divisible by 4.
D If a number is not divisible by both 3 and 4, it is divisible by 12.

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Answer: D. If a number is not divisible by both 3 and 4, it is divisible by 12.

Option D is false because if a number is not divisible by the factors (3 and 4), it cannot be divisible by their product (12). For example, 7 is divisible by neither 3 nor 4, and it is certainly not divisible by 12.

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Which of the following statements is FALSE?

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