what is the least number which when divided by 5 , 6 , 9 and 12 leaves remainder 4 in each care ?
explanation : lcm of 5 , 6 , 9 and 12 is 180 required number = 180 + 4 = 184 answer : option d
add(lcm(lcm(5, 6), lcm(9, 12)), 4)