If the number 5 * 2 is divisible by 6, then * = ?
2
3
6
7
Explanation:
6 = 3 x 2. Clearly, 5 * 2 is divisible by 2. Replace * by $ x $.
Then, 5 + $x$ + 2 must be divisible by 3. So, $ x $ = 2.
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