A blue light flashes every 6 seconds and a red light flashes every 9 seconds. After how many seconds will both lights flash together again?

Subject: Mathematics | Topic: Arithmetic | Difficulty: MEDIUM

Options

1. (A) 18 seconds
2. (B) 9 seconds
3. (C) 12 seconds
4. (D) 3 seconds

Verified Answer

Option (A): 18 seconds

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