Question

six Bells commence tolling together and toll at intervals of 2 ,4 ,6 ,8 ,10 and 12 seconds respectively. in 30 minutes how many times do they toll together​

Answer 1

LCM of 2, 4, 6, 8, 10 and 12 is 120

120 seconds is 2 minutes

30 minutes...... 30/2 = 15 and 1 at starting

15 + 1 = 16 times