Question

Four bells ring at intervels of 8,10 15 minutes at what time will they again ring simultaneously if they rang together at 6 am​

Answer 1

Answer:

at what angle projectile is projected with velocity 19.6 meter per second along with horizontal to reach the maximum height 2.5.

Answer 2

8=2*2*2
10=5*2
15=3*5
LCM is the product of highest power of all the multiples..
LCM = 2*2*2*3*5
=8*15
=120
They will ring 120 min (2hours) later.
Therefore, the bells will ring together at 8 am.