I am a 3 digit number less than 300 I am divisible by 2 and 5 but not by 3 sum of my digit is 11 what number am I?
If this number is divisible by 2 and 5 it must be a multiple of 10.
And the only thee digit number which fits the bill is 290. It's not divisible by 3 and the sum of its digits = 11.
the answer is 290