Question

The least multiple of 7, which leaves a remainder of 4 when divided by 6, 9, 16 and 18 is ?

Answer 1

First of all take out the LCM(6,9,16,18)=144
The and 4 to 144
144+4=148
Then take out the LCM(7,148)=1036
Therefore 1036 is the smallest of 7 which can be divided by 6, 9, 16 and 18 and leaves remainder 4.