Time-35 minutes - B. H& g- G& h
24 Questions
, ~, E; Q3 ^9 f. B& Y, n4 P; I2 qQuestions 1-6
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# R, |) @; p" j% P( Z3 l: p$ |Seven students-fourth-year students Kim and Lee; third-year students Pat 7 }, U4 g* q4 k( ?- v3 n; G2 n7 s! S& v
and Robin: and second-year students Sandy, Tety and Val-and only those seven, 9 _: k+ d* n' \1 e8 C- P
are being assigned a rooms of equal size in a dormitory. Each room assigned + b: w" L+ j% y/ d/ s# i& a \
must have either one or two or three students assigned to it and will " C$ B ?1 k8 ^
accordingly be called either a single or a double or a triple. The seven2 @; k) K% x$ ^' c4 q
students are assigned to moms in accordence with the following conditions:
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Lio fourth-year student can be assigned to a triple." s- v2 Y. X( \* X
, E, Z$ f8 e: P* G" g! @3 nNo second-year student can be assigned to a single.
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Lee and Pobin must not share the same room : ?. m( u" [3 ]: \+ P$ x
( n9 f0 s% [9 @) W3 ]1 ZKim and Pat must share the same room.
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1. Which one of the following is a combination of rooms to which the seven
! x" d% a% C* [- z- Q, \5 ostudents could be assigned?5 |8 s. n- E2 P
$ L, Z$ J. s* l8 r6 `5 x7 y. n6 |(A) two triples and one single; V4 K( P+ q0 w7 R. \
(B) one triple and four singles# y! d- R) Z S9 l" D" a; Z
(C) three doubles and a stngle
8 N/ I9 u5 @5 f6 ~, G$ t- \(D) two doubles and three singles
; } t5 ]* Z f1 x# H& \(E) one double and five singles: s+ W0 S5 n+ G9 u# C$ ~
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2. It the room assigned to Robin is a single, which one of the following could 2 w& t' n- L5 n% |8 S# n7 e, w) {
be true?7 j; G5 T" v0 I D3 C
5 L8 ]3 n3 s" z3 {(A) There is exactly one double that has a second-year student assigned to it., j0 U: {8 y* A8 C1 M! s
(B) Lee is assigned to a stngle.
; [, R# p+ m7 w5 N5 C(C) Sandy Fat and one other student are zseigned to a triple together.; ?; C8 Q- v j: p2 e ~5 _% I
(D) Lixactly three of the rooms assigned to the students are singles0 n @) x) B/ D' g$ O( ]; O' Y
(E) Exactly two of the rooms assigned to the students are doubles.
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% q2 s0 b5 R9 `, D) g1 b3. Which one of the following must be true?: u0 D0 p0 `- t1 C( U( r' @2 Z
/ q+ C6 R. I9 E q0 P& ?(A) Lee is assigned to a single9 y" a! a+ r) O9 }! `
(B) Pat sharts a double with another student; \, E- K$ ^/ s4 t8 P
(C) Robin shares a double with another student
7 Y* ~% x2 a+ r- M9 ^# @(D) Two of the second-year students share a double with each other
[# F% B1 ` o(E) Neither of the third-year students is assigned to a single
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4. If Robin is assigred to a triple, which one of the following must be true?
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(A) Lee is assigned to a single
6 \5 O* z' ~! p9 n7 W# A(B) Two second-year students share a double with each other
1 j( g3 G- q D(C) None of the rooms assigned to the students is a single0 ? w. E5 S {* X* [6 u1 }
(D) Two of the rooms assigned to the students are singles.
$ D0 {# R6 E0 `; a( U5 p# k. y+ |(E) Three of the rooms assigned to the students are singles
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5. If Terry and Val assigned to different doubles from each other, other, then
, O: |8 ]4 [( ` X/ C6 l7 pit must be true of the students’ rooms that exactly% e, |6 W; O( d3 x# h" Q' c5 U
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(A) one is a single
) [* f( L% Z* g0 [# \' ^% ]6 p) b. F% d(B) two are singles% Q+ d; S9 f( J5 e
(C) two are doubles, E7 Z) I, V6 x7 B- ]
(D) one is a triple. g* `, B* U1 V) \
(E) two are triples 1 X5 Z3 B9 p- j: K8 I
& ^, ~2 o5 q) P) Q6. Which one of the following could be true?
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5 u7 W7 N3 `1 l6 [$ C' J7 G: t(A) The two fourth-year students are assigned to singles.
; _5 C' T. W/ U4 { H# V) C- S(B) The two fourth-year students share a double with cach other.
; r6 {" B( e+ o2 q1 F(C) Lee shares a room with a second-year student8 w& e' u1 p7 T/ p' U
(D) Lee shares a room with a third-year student1 w. @ y. }4 H& b* \! J2 G, n
(E) Pat shares a triple with two other students
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9 |( K# r8 k/ `% UQuestions 7-11! H& M( ]. K6 \; ^7 u* e9 R
, W4 W7 T- S! z: A5 t- e3 E1 S2 |; MA worker will insert colored light bulbs into a billboard equipped with
9 D! T1 w$ D& y* i8 gexactly three light sockets, which are labled lights 1, 2, and 3. The worker
" T& P: y( N; S- n4 D- Shas three green bulbs, three purple bulbs, and three yellow bulbs. Seiection of
( m! ~% F4 I1 ]% ?- [bulbs for the sockets is governed by the following conditions:
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Whenever light 1 is purple, light 2 must be yellow. p1 V# u0 I* M8 E! R( G9 i3 e
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Whenever light 2 is purple, light 1 must be green.& `1 a2 a5 b& }
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Whenever light 3 is either purple or yellow, light 2 must be purple.
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( p+ t' B' U5 ]4 u3 u7. Which one of the following could be an accurate list of the colors of light
$ ?+ J) N" H. a" X" L: X( Z9 q. j% @bulbs selected for lights 1, 2 and 3, respectively?
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(A) green, green, yellow
. d6 e3 _1 {! c n3 T(B) purple, green, green
9 v9 ^- }: [1 I$ ]6 s7 l; v(C) purple, purple, green
" ^( @4 u2 o. i1 n(D) yellow, purple, green
) `* ]; J! J$ e4 N* R(E) yellow, yellow, yellow
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7 c) l, v7 ^! m. L6 I1 ~8. If light 1 is yellow, then any of the following can be true, EXCEPT:
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(A) Light 2 is green.
' w1 y9 P( z7 Z6 f# y; G0 ~* x(B) Light 2 is purple' a6 p: G" ]1 ]( m" v1 S; g' D0 N
(C) Light 3 is green
7 D6 @ A9 b! x% w! J) W2 z. [ |(D) Light 3 is purple9 \/ C7 O; S; d8 d3 G! B( |
(E) Light 3 is yellow! m1 V+ ^0 C- u- T$ _
u$ e% k6 Z# n9. There is exactly one possible color sequence of the three lights if which7 n/ h/ P, D4 [1 w7 ]- n4 N4 I
one of the following is true?
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(A) Light 1 is purple.
" A" ]/ N+ Q7 L(B) Light 2 is purple.
2 f3 f: |2 u( u, N(C) Light 2 is yellow
! P* P D6 \, H" J* [(D) Light 3 is purple.. C( O9 {" e; q: w2 B
(E) Light 3 is yellow
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- Z5 S; T n8 P: M' F3 n+ A* H$ n10. If no green bulbs are selected, there are exactly how many possible + q8 v" X/ b1 S
different color sequences of the three lights?
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- W& P: g4 r9 w8 u/ _(A) one# C, e a3 c. x, y8 x o
(B) two 6 r( N; V# s! C7 L) [
(C) three5 [ z2 @5 d* O: w p
(D) four- |, B( m. \, K& \, S, E
(E) five" a: ]) K4 b a% K: ^
6 Z. n2 N" A# S6 e4 b# x" { I9 Z/ U11. If no two lights are assigned light bulbs that are the same color as each
: }2 r4 T" T0 ]" j; Kother, then which one of the following could be true?
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(A) Light I is green, and light 2 is purple.
3 g4 z( ~/ c1 Y8 d0 i, \0 M(B) Light I is green, and light 2 is yellow.* d* l" c! u6 J# A# ~
(C) Light I is purple, and light 2 is yellow.
8 _- z$ @ a* _) I(D) Light I is yellow, and light 2 is green.
7 t, f" @' o E' u- X( P(E) Light I is yellow, and light 2 is purple.
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- Q6 g- b% t) a1 P" U& A3 T! W; `: z; CQuestions 12-17
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An attorney is scheduling interviews with witnesses for a given week.
g# u! t% {, N! n3 bMonday through Saturday. Two full consecutive days of the week must be reserved
# u1 R, \4 X i- ^9 {' r0 @/ Z4 ^) k! jfor interv " T8 U, j+ x! l6 C0 L: b' d7 j* Z
iewing hostile withesses. In addition, nonhostile witnesses Q, R, U,
# M" S, x1 W9 O" m1 ^3 ?. g& r. c& E7 ~X, Y, and Z will each be interviewed exactly once for a full morning or
8 r' Q6 N4 t0 X9 R" }* oafternoon. The only witnesses who will be interviewed simultaneously with each
# R U1 P; {2 K. |2 O; T rother are Q and R. The following conditions apply.4 d% m- |) g3 k8 J' @, ~
8 U+ U$ ^/ e4 Q0 VX must be interviewed on Thursday morning
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Q must be interviewed at some time before X.& x/ R# N" C! V% _) D
7 v+ k E) I" d9 I, w! J& {( @! kU must be interviewed at some time before R# Z# q; L! ]4 L$ Y' s1 F9 h
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Z must be interviewed at some time after X and at some time after Y.
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8 o6 b# }4 V6 S12. Which one of the following is a sequence, from first to last, in which the6 n' m8 E9 j4 A% t/ D
nonhostile witnesses could be interviewed?
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6 A' B" ]4 p" j! U) F' Y(A) Q with R, U, X, Y, Z o$ Q) s, w7 [5 v/ ~4 g" \
(B) Q, U, R, X, with Y, Z2 j: b; g8 y+ x4 E
(C) U, X, Q, with R, Y, Z2 R. |3 e3 v7 X, J
(D) U, Y, Q, with R, X, Z
0 a; e" V& L0 r' Q% l4 _1 h9 G8 ?& Z(E) X, Q, with U, Z, R, Y8 ?% x8 {0 ]5 e
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13, Which one of the following is acceptable as a complete schedule of
) d/ }( r7 M& ~' f u( Z: b/ n! Jwitnesses for Tuesday morning. Tuesday afternoon, and Wednesday6 \# ?: M" ~0 e4 V, V: y$ X6 y
morning,respectively?# W/ [1 a7 k7 w: q; m1 g" c
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(A) Q, R, none
; `+ Q# G" j) k1 Y/ D(B) R, none, Y
& y7 ?7 Z" `3 E3 B' m& x1 e$ D& f(C) U, Y, none
0 Z! X2 y7 y% P* L(D) U, Y, none
6 l. n- @; _4 Z, B0 p e7 _(E) Y, Z, none
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14.If Y is interviewed at some time after X, which one of the following must be ) T P# w0 s$ E3 p0 u
a day reserved for interviewing hostile witnesses?, z0 ^4 m- n" m7 o
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(A) Monday
1 ^* v; W% a+ m(B) Tuesday ( \; D3 \0 |8 W3 I: g: K
(C) Wednesday0 D9 v) u4 S# [1 @. D0 ~
(D) Friday
. q( H7 m+ g3 L1 w0 |(E) Saturday
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15. If R is interviewed at some time after Y which one of the following must be
`. F- B" ^1 Y5 T. A& Da day reserved for interviewing hostile witnesses?, t* @6 I7 {) d! w
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(A) Monday
: r* O( f7 v$ {- g(B) Tuesday
* k, E d6 o4 c3 `, r2 I' q(C) Wednesday, B: i3 c' o, L3 J7 c
(D) Thursday: B2 H5 i; @2 [3 X6 F" d
(E) Friday- p4 F2 y+ r6 Z0 E1 z& U/ T/ i
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16. If on Wednesday afternoon and on Monday the attomey conducts no interviews, ' C7 w. _; E; A- @
which one of the following be true?
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4 `5 ]4 B1 s) D! E; O3 a(A) Q is interviewed on the same day as U4 j, y! L) H4 b
(B) R is interviewed on the same day as Y
4 ~* [& z! b3 W1 r4 }$ W3 z(C) Y is interviewed on the same day as U4 X9 Q3 }$ ^( o9 u
(D) Y is interviewed on the same day as Wednesday
5 {, s. @5 b1 C( N' O' U! T(E) Z is interviewed on the same day as Friday
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17. If Z is interviewed on Saturday morning which one of the following can be
! m" o* Q3 q U2 h/ y8 o$ F% r2 {true?
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! s! {5 ]% }; f$ d7 t(A) Wednesday is a day reserved for interiewing hostile witnesses.
7 ^8 K1 g ^$ i0 Q" K. P' g(B) Friday is a day reserved for interviewing hostile witnesses.
/ T8 W/ p" @+ [* ~2 g(C) R is interviewed on Thursday( c5 ]1 ]2 U7 }, T- i* `
(D) U is interviewed on Tuesday; l |0 Y6 X, I3 ]
(E) Y is interviewed at some time before Thursday |
发表于 2012-8-15 13:24:23
