请教：涛涛数学-3-Q2 \Q32\ Q33\ Q36

今天做了一下数学题，发现错误连篇啊！十分吓人！想麻烦各位大牛帮我解答一下这几道题，万分感激啊！

Q2:

On Saturday morning, Malachi will begin a camping vacation and he will return home at the end of the first day on which it rains.  If on the first three days of the vacation the probability of rain on each day is 0.2, what is the probability that Malachi will return home at the end of the day on the following Monday?

A.      0.008

B.       0.128

C.      0.488

D.      0.512

E.       0.640

If S is a set of ten consecutive integers, is the integer 5 in S?

(1)     The integer –3 is in S.

(2)     The integer 4 is in S.

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.

Q33:

A photographer will arrange 6 people of 6 different heights for photograph by placing them in two rows of three so that each person in the first row is standing in front of someone in the second row.  The heights of the people within each row must increase from left to right, and each person in the second row must be taller than the person standing in front of him or her.  How many such arrangements of the 6 people are possible?

A.      5

B.       6

C.      9

D.      24

E.       36

Q36:

If M is the least common multiple of 90, 196, and 300, which of the following is NOT a factor of M?

A.      600

B.       700

C.      900

D.      2,100

E.       4,900

q33:假设六人高度为1，2，3，4，5，6

则符合条件的情况为：256    456   356   246   346

                              ---       ---     ---      ---      ---

                             134    123   124   135   125

Q36 M=9×100×49

M/600=3×49/2

不能整除