Question

three Bells toll at intervals of 9 12 15 and 18 respectively if they start tolling together after what time they will meet together

Answer 1

Step-by-step explanation:

To find it , we will find LCM of 9, 12, 15 and 18

So,

09. = 3 × 3

12 = 2 × 2 × 3

15. = 3 × 5

18 = 2 × 3 × 3

LCM : - 2 × 2 × 3 × 3 × 5

= 180 minutes

OR

3 Hours.

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