why new questions doesnt come?

Question

all the same questions again and again

Answer 1

Sololearners don't know how to use search bar !

Answer 2

Sololearners doesn't want to do effort of research before posting, because they are almost lazy and obsessed by getting XPs and bagdes ^^

Answer 3

On the top right corner there's a list of preferences, you should take a look at it ;) !

Answer 4

when you are in a challenge you will see the previous questions everytime. why does it happen? now I can give answers without seeing questions most of the time