i am a number between 20 and 30.when you put me into 6 equal groups;there is an even number in each group and 1 is left over.what number am i

5 answers

It has to be a number X such that X-1 is divisible by 4, an even number of times.
How about 25?
my answer is 25
My answer was 25.
I don't know cam you explain me
Can u explain to me