请教几道数学题,求助

jueran

大家好,本人数学不怎么好,所以问一些比较弱的问题,还请大家不要鄙视啊,呵呵
做了GWD的几套模拟,有几道数学题不懂,请高手帮帮忙,月底就要考了,谢谢.
Q2:
When positive integer x is divided by positive integer y, the remainder is 9.If x/y = 96.12, what is the value of y?


A.96
B.75
C.48
D.25
Q6:
奇怪,那个图像复制不出来,就是一个半圆,直径为20feet.(这道题我没怎么看懂意思)


The figure above shows the dimensions of a semicircular cross section of a one-way tunnel.The single traffic lane is 12 feet wide and is equidistant from the sides of the tunnel.If vehicles must clear the top of the tunnel by at least ½ foot when they are inside the traffic lane, what should be the limit on the height of vehicles that are allowed to use the tunnel?

A.5½ ft
B.7½ ft
C.8 ½ ft
D.9½ ft
E.10 ft

An integer greater than 1 that is not prime is called composite.If the two-digit integer n is greater than 20, is n composite?
(1)The tens digit of n is a factor of the units digit of n.
(2)The tens digit of n is 2.

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.


A collection of 36 cards consists of 4 sets of 9 cards each.The 9 cards in each set are numbered 1 through 9.If one card has been removed from the collection, what is the number on that card?
(1)The units digit of the sum of the numbers on the remaining 35 cards is 6.

(2)The sum of the numbers on the remaining 35 cards is 176.

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.

What is the sum of the integers from -190 to 195, inclusive?



A.0
B.5
C.375
D.875
E.965
这道题我没这么看懂.

请版友帮帮忙,指导一下,谢谢