What is that 100th digit in the decimal expansion of 1/7?

Pls! does anybody know a shortcut for answering these types of questions in the future?

Jorge planted flowers in his garden he planted one row of 12 tulips and one row of 36 daisies george's friend kylie has a garden with 75 flowers in it kylie's garden only contains tulips and daisies. is it possible for kylie‘s garden she have the same ratio of tulips to daisies as george's garden?

Aline that intersects one of two parallel lines intersects the other also always sometimes never