GWD第25套，两道数学题，请大家帮忙解答~

左摇右摆

Q10
    The sides of a square region, measured to the
        nearest centimeter, are 6 centimeters long. The
        least possible value of the actual area of the
        square region is
A.36.00 sq cm
B.35.00 sq cm
C.33.75 sq cm
D.30.25 sq cm
E.25.00 sq cm
答案选的C，我算的是D,怎么都算不出C，不知道是不是给的答案错了..
At a fruit stand yesterday, the price of each apple was $0.10 more than the price of each orange. What was the total revenue from the sale of oranges at the fruit stand yesterday?
(1) The number of oranges sold at the fruit stand
  yesterday was 5 more than the number of
  apples.
(2) The total revenue from the sale of apples
  at the fruit stand yesterday was $15.00
Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient
?    Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient
?    BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
?    EACH statement ALONE is sufficient
?    Statements (1) and (2) TOGETHER are NOT sufficient
答案给的C，我没算出来...