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Find the LCM of 8, 10, 15, 16 and 20?

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Find the LCM of 8, 10, 15, 16 and 20?
1. 240
2. 260
3. 220
4. 250
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Correct Answer - Option 1 : 240

Calculation:

8 = 2 × 2 × 2

10 = 2 × 5

15 = 3 × 5

16 = 2 × 2 × 2 × 2

20 = 2 × 2 × 5

L.C.M = 2 × 2 × 2 × 2 × 3 × 5

⇒ 240

∴ The required LCM is 240

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