英文的数学题,

英文的数学题,
1、In 2004,16 June falls on a Wednesday.On what day of the week will 16 June
fall in 2010?
2、 In a magic square the sum of the numbers in each row,in each diagonal
and in each column are equal.In this magic square the value of x is:
3、If half of a number is 30,then three-quarters of that number
is____.
4、The sum of the digits of the following product
　　999×555
5、Three positive integers have a sum of 28.The greatest possible product
that these integers can have is_____.