Question

4. Four bells toll at intervals of 10minutes, 15minutes, 30 minutes and 45 minutes.

If all of them tolled together at 8 a.m., when will they next toll together​

Answer 1

Answer:

09:30 a.m

Step-by-step explanation:

let us find when they will toll together next :

find of all , we have to find the LCM to 10 , 15 , 13 and 45 .

LCM = 2×3×3×5 = 6×15 = 90

Therefore ,

the four bells will toll together after 90 mins , .i.e,. at 09:30 a.m .

I hope this will help you