The HCF of 135, 540, 675 and 765 is?
- 45
- 35
- 25
- None of these
Explanation
To find the Highest Common Factor (HCF), list the factors of each number:
135: 1, 3, 5, 9, 15, 27, 45, 135
540: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540
675: 1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675
765: 1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 765
The highest common factor among these numbers is: 45.
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- 17
- 18
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- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- 12.7
- 12.8
- 12.9
- None of these