GWD-17套 几道数学题不会，请教

ly365

GWD-17套
Q5:
Can a certain rectangular sheet of glass be positioned on a rectangular tabletop so that it covers the entire tabletop and its edges are parallel to the edges of the tabletop?
(1)   The tabletop is 36 inches wide by 60 inches long.
(2)   The area of one side of the sheet of glass is 2,400 square inches.

A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D. EACH statement ALONE is sufficient.
E. Statements (1) and (2) TOGETHER are NOT sufficient.

Q21:
Harvey teaches a certain number of biology students in 2 classes, K and L.  He can divide the students in class K into 7 groups of n students each.  He can divide the students in class L into 6 groups of p students each with 1 student left over.  How many students are in class L ?
(1)   n = p
(2)   There are 5 more students in class K than in class L.

A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D. EACH statement ALONE is sufficient.
E. Statements (1) and (2) TOGETHER are NOT sufficient.

2005.04 JJ

39. 7150有几个因数是5的倍数。

谢谢，强烈感谢斑竹

Youknowme

可不可以一题一帖啊，方便他人搜索！谢谢合作哦！