Can you guess all the answers? if all are correct then you will be given brainliest and all 5 stars with 40
good

easy: mr. smith has two children. if the older child is a boy, what are the odds that the other child is also a boy?
medium: there are two sisters: one gives birth to the other and she, in turn, gives birth to the first. who are the two sisters?
hardest: a young woman is attending her mother's funeral. while there, she meets a man she has never seen before and falls in love immediately. after the funeral she tries to find him but cannot. several days later she kills her sister. why does she kill her sister?

i will give the answers