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प्रश्न
LCM of 10, 15 and 20 is ______.
पर्याय
30
60
90
180
MCQ
रिकाम्या जागा भरा
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उत्तर
LCM of 10, 15 and 20 is 60.
Explanation:
We have,
| 2 | 10, 15, 20 |
| 2 | 5, 15, 10 |
| 3 | 5, 15, 5 |
| 5 | 5, 5, 5 |
| 1, 1, 1 |
∴ The LCM of 10, 15 and 20 is 2 × 2 × 3 × 5 = 60
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