The number between 3000 and 4000 which is exactly divisible

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The number between 3000 and 4000 which is exactly divisible by 30, 36 and 80 is

1. 3625
2. 3250
3. 3500
4. 3600

Correct Option: D

Firstly, we find the LCM of 30, 36 and 80.

∴ LCM = 2 × 2 × 3 × 5 × 3 × 4 = 720
∴ Required number = Multiple of 720 = 720 × 5 = 3600 ; because 3000 < 3600 < 4000