what is the least number which when divided by 5 , 6 , 9 and 18 leaves remainder 4 in each care ?
"explanation : lcm of 5 , 6 , 9 and 18 is 90 required number = 90 + 4 = 94 answer : option e"
add(lcm(lcm(5, 6), lcm(9, 18)), 4)