What is the HCF of 36, 54, and 360?
- 18
- 20
- 22
- None of these
Explanation
Prime factors:
• 36 = 2² × 3²
• 54 = 2 × 3³
• 360 = 2³ × 3² × 5
Common prime factors are 2 × 3² = 18.
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- 70
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- 68
- None of these
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- (-2A)^B
- -2A²B
- Both are equal
- Cannot be determined
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- 78
- 79
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- None of these
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