(a) 150

(b) 1960

(a) 144 and 192

(b) 50,98 and 105

(c) 48,120, and 180

(a) 45 and 150

(b) 46,54 and 108

a box, 12 boxes are packed and 5

English books are left. Now, we    have to pack every 15 Chinese     books into a box. How many       boxes are needed to pack all the Chinese books? 

number is divisible by 9,find the 

valve of ▲.

(a) Mr. Chan claims that he can      distribute all the gems to 6           companies  Everly. Do you agree? Explain your answer. 

(b) Suppose only gems of the same bag and the number of gems in each bag is the same. 

(i) At most how many gems are there in the same bag? 

(ii) If the number of gems in each bag is sequel to the number found in (b) (i), how many bag does Mr. Chan need to put the gems inside? 

(a) If there are 8 libraries in Hong Kong, can all the books be evenly

distributed evenly to all the libraries? Explain your answer. 

(b) In the libraries, only books the genres can be placed on the same bookshelf and each bookshelf   has the same number of books. 

(i) What is the maximum number of books placed on the same bookshelf? Explain your answer. 

(ii) If each bookshelf contains the number of books in (b) (i), how many bookshelves are needed?