Answer:
Mary's mum has 4 children.
First three children's names were given directly in the question, April, may and june.
Fourth child's name is given indirectly in the question, by stating the mum as "mary's mum"
Step-by-step explanation:
that one is so tough
seriously the most difficult one , even the person who was writing this QUESTION
would have solved this puzzle…(XD XD XD )
come on what is this..??
anyways
so let me guess MARY could be the answer…
actually it is the answer.