4.3 Sample Questions
PS03774
If xis to be chosen at random from the set (1, 2, 3, (^4) )
and y is to be chosen at random from the set (5, 6,^7 ),
what is the probab山tythat xy will be even?
(A)
(B)
(C)
(D)
(E)
1-61-31-22-35-6
PS04254
159.The function f is defined for each positive three-dig代
integer n by f(n) =^2 x 3Y 5z, where x, y, and z are the
hundreds, tens, and units digits of n, respectively. If
m and v are three-digit positive integers such that
f(m) = 9f(v), then m - v =
(A)
(8)
(C)
(C)
(E)
89
80
0
l2
8
PS06312
If 10^50 - 7 4 is written as an integer in base 10
notation, what is the sum of the digits in that integer?
PS14267
- Becky rented a power tool from a rental shop. The rent
for the tool was $12 for the first hour and $3 for each
additional hour. If Becky paid a total of $27, excluding
sales tax, to rent the tool, for how many hours did she
rent it?
(A)
(B)
(C)
(D)
(E)
PS06959
7 —X
163.If 4<-—, which of the following must be true?
3
5
6
9
10
12
._.
,',I
J·I
',_
_.
_L
LL
,`ABCDE
,合
.`,
..
,.L
5<X
Ix+ 31 > 2
-(x + 5) is positive.
II only
Ill only
I and II only
II and Ill only
I, 11, and Ill
PS08654
- A certain right triangle has sides of length x, y, and z,
where x < y < z. If the area of this triangular region is 1,
which of the following indicates all of the possible
values of y?
(A)
(B)
(C)
(D)
(E)
424
433
440
449
467
PS09056
- A certain company that sells only cars and trucks
reported that revenues from car sales in 1997 were
down 1 1 percent from 1996 and revenues from truck
sales in 1997 were up 7 percent from 1996. If total
revenues from car sales and truck sales in 1997 were up
1 percent from 1996, what is the ratio of revenue from
car sales in 1996 to revenue from truck sales in 1996?
(A)
(B)
(Cl
(D)
(E)
迈岛_2
丑
3
<<<
迈勺
勺勺
岛_4
尸岛_2
竺
3岛_4
尸
(A)
(B)
(C)
(D)
(E)
1:2
4:5
1:1
3:2
5:3