calculate how many seconds it eill take for 4 bells to toll together again , given that they begin to toll together respectively at the intervals of 5 , 8 , 11 and 15 seconds . ?
lcm of 5 , 8 , 11 and 15 is 1320 lcm = 1320 answer : b
multiply(const_3, multiply(11, multiply(5, 8)))