Question

what is smallest four digit number which divided by 16 and 18 leaves remainder 8 in each case​

Answer 1

LCM of 16 and 18 is 144.

Now we check the no. multiple of 144 nearest to 1000 .

We find that 144×6=864 is that no.

864 is divisible by both 16 and 18.

Add 8 to 864 as remainder should be 8.

So 864+8= 872 is that no.