Question : Find the least number exactly divisible by 9, 24, and 36.
Option 1: 72
Option 2: 36
Option 3: 24
Option 4: 9
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Correct Answer: 72
Solution : Given numbers are 9, 24, and 36. 9 = 3 × 3 24 = 2 × 2 × 2 × 3 36 = 2 × 2 × 3 × 3 ⇒ LCM of 9, 24, and 36 = 3 × 3 × 2 × 2 × 2 = 72 Hence, the correct answer is 72.
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