數學題(英文)~中一的,很淺的

1.Find the largest composite number that is less than 200.

2.108sweets and 88chocolates are to be shared among some children.
If each child gets the same number of sweets and chocolates,
how many sweets and chocolates each child gets at least?
(Hint:Find the largast number of children first.)

3.A man is going to cover a square floor with rectangular tiles of sides 14cm and 18cm.
Find the least possible length of the side of the square floor.