In a factory control room, there are three ON-OFF switches
on the central control panel, labeled A, B and C. They are changed from default
setting to a required setting based on the following rules:
In case only switch A is ON in the default setting, then
turn switch B ON.
In case switches A and B are the only switches ON in the
default setting, then turn switch C ON. In case all the three switches are ON,
in default setting, then turn the switch C OFF. For any other default setting,
turn ON all switches that are OFF and turn OFF all switches, if any, that are
ON.
Q: In case only switches B is ON in the default setting, what must be the second setting?
Question # 2
A chemist is preparing a nutriment using eight different vitamins
and minerals ….A, B, C, D, E, H, F(Ferric), and Z(Zinc). According to the
recipes, the following requirements apply to the use of ingredients:
(i) If B is used, both C and Z must also be used
(ii) E and H must always be used together
(iii) If C is used, at least two of A, B and F must also be
used
(iv) C and H cannot be used together
(v) E, F and Z cannot all be used in a same nutrient
(vi) A, D, and Z cannot all be used in the same nutriment
Q: Which of the following cannot be included in
a nutriment that contains E?
Question # 3
An observatory is setting up a schedule for school children
to view a returning comet. Five school classes K, L, N, O, and P-will each view
the comet exactly once during the four nights. Monday through Thursday, of its
maximum brightness. Excellent viewing conditions ‘are predicated for all four
nights. The scheduling is subject to the following constraints:
At most two classes can view the comet on any given night.
Class K cannot view the comet on the same night that Class N
does.
Class L must view the comet on a night prior to the night
when Class P views the comet.
Class O must view the comet on the same night that Class P
does.
Q: If Class O can view the comet neither on Wednesday nor on Thursday, which of the following must be true?
Question # 4
Four captains and the first mates of three of them were called to attend the annual meeting at head quarter. The captains were Luqman, Manzoor, Nauman and Osaf; the first mates were Ayesha, Durya and Gia. Each person in turn delivered a report to the chairperson as follows:
Each of the first mates delivered their report exactly after her captain. The first captain to speak was Manzoor, and captain Nauman spoke after him.
(Represent the person with first letter of his name)
Q: Among the following statements, which would make M, D, N, G, L, O, A the only possible sequence of speakers?
Question # 5
Two or more tealeaves out of five varieties – Livana,
Mathia, Novajana, Oxia, and Piask are used in making all branded by a marketer following
the rues given below.
A brand containing Livana, should also contain Novajana
twice that of Livana.
A brancd containing Mathia, must also have equal quantity of
Oxia.
A single brand never contains Novajana as well as Oxia.
Oxia and Piask should not be used together.
A blend containing Piask should contain it in such a
proportion that the total amount of Piask present should be greater than the
total amount of the other tealeaves
Q: Among of following which is an acceptable brand in accordance with the rules?
Question # 6
In a factory control room, there are three ON-OFF switches
on the central control panel, labeled A, B and C. They are changed from default
setting to a required setting based on the following rules:
In case only switch A is ON in the default setting, then
turn switch B ON.
In case switches A and B are the only switches ON in the
default setting, then turn switch C ON. In case all the three switches are ON,
in default setting, then turn the switch C OFF. For any other default setting,
turn ON all switches that are OFF and turn OFF all switches, if any, that are
ON.
Q: In case, all three switches are ON in the second setting, which among the following could have been the default setting?
Question # 7
Three men (Tahir, Pervaiz and Javed) and three women (Elena,
Ayesha and Kiran) are spending a few months at Abbottabad. They are to stay in
a row of nine cottages, each on living in his or her own cottage. There are no
others staying in the same row of cottages.
1. Ayesha, Tahir and Javed do not want to stay in any
cottage, which is at the end of the row.
2. Elena and Ayesha ar unwilling to stay besides my occupied
cottage.
3. Kiran is next to Pervaiz and Javed.
4. Between Ayesha and Javed’s cottage there is just one
vacant house.
5. None of the girls occupies adjacent cottages.
6. The house occupied by Tahir is next to an end cottage.
Q: How many of them occupy cottages next to a vacant cottage?
Question # 8
Follow us to the real Pakistan leaving behind the
disturbances of civilization. Real Pakistan is still inhabited by the eagle,
the cow, the black deer, and tigers; it is still spacious, sprawling, and
majestic. Experience the freedom and serenity still to be found in
--------------.
Q: The Rawalpindi city council started a publicity campaign for convincing the people to use public transport rather than their own transport in the city. Two months later there was a decrease in private transport on the roads in the mid city area. The city council claimed that their publicity campaign was successful to convince people to leave their cars at home and ride the city bus service to work. Which of the following, if true create the most serious doubt on the conclusion drawn above?
Question # 9
Six scientists A, B, C, D, E and F are to present a paper
each at a one-day conference. Three of them will present their paper in the
morning session before the lunch break whereas the other three will present in
the afternoon session. The lectures have to be scheduled in such a way that
they comply with the following restrictions:
B should present his paper immediately before C’s
presentation; their presentations cannot be separated by the lunch break. D
must be either the first or the last scientist to present his paper.
Q: B could be placed at any of the following places in the order of presenters EXCEPT
Question # 10
Selfishness is a principal evil in our society. Every person
is concerned with only himself. Personal advancement is the only motivating
force in the world today. This does not mean that individuals are not willing
to help one another, on the contrary, -------------. However, these are only
short-term occurrences, which ultimately serve our long-term goal of personal
gain.
Q: Muzzaffar is terrible driver. He had ten traffic violations in the past year. Which of the following can be said about the above claim?`
Question # 11
At IOWA University, Students of Economics must complete a
total to twelve courses selected from three different parts of the syllabus …. Comparative
economics, environmental economics, and regional economics… in order to
graduate, the students must meet the following course distribution requirements:
(i) At least six of the required twelve course must be from
the environmental economics.
(ii) At least five of the required twelve courses must be
from comparative economics and regional economics, with at least one, but no
more than three, selected from comparative economics.
Q: The minimum number of regional economics courses required
to fulfil the course distribution requirements is
Question # 12
Nine Individuals – Z, Y, X, W, V, U, T, S AND R are the only
candidates, who can serve on three committees labeled A, B and C.
Each candidate should serve on exactly one of the
committees.
Committee A should consist of exactly one member more than
that of committee.
It is possible that there are no members of committee C.
Among Z, Y and X none can serve on committee A. Among W, V and U none can serve
on committee C. Among T, S and R none can serve on committee C.
Q: of the nine individuals, the largest number that can serve together on committee C is
Question # 13
Three men (Tahir, Pervaiz and Javed) and three women (Elena, Ayesha and Kiran) are spending a few months at Abbottabad. They are to stay in a row of nine cottages, each on living in his or her own cottage. There are no others staying in the same row of cottages.
1. Ayesha, Tahir and Javed do not want to stay in any cottage, which is at the end of the row.
2. Elena and Ayesha ar unwilling to stay besides my occupied cottage.
3. Kiran is next to Pervaiz and Javed.
4. Between Ayesha and Javed’s cottage there is just one vacant house.
5. None of the girls occupies adjacent cottages.
6. The house occupied by Tahir is next to an end cottage.
Q: Which among these statement(s) are true?
a. Ayesha is between Elena and Javed.
b. At the most four persons can have ocupied cottages on either side of them.
c. Tahir stays besides Pervaiz
Question # 14
Nine Individuals – Z, Y, X, W, V, U, T, S AND R are the only
candidates, who can serve on three committees labeled A, B and C.
Each candidate should serve on exactly one of the
committees.
Committee A should consist of exactly one member more than
that of committee.
It is possible that there are no members of committee C.
Among Z, Y and X none can serve on committee A. Among W, V and U none can serve
on committee C. Among T, S and R none can serve on committee C.
Q: In case T and Z are the individuals serving on committee B, how many of the nine individuals should serve on committee C?
Question # 15
Selfishness is a principal evil in our society. Every person
is concerned with only himself. Personal advancement is the only motivating
force in the world today. This does not mean that individuals are not willing
to help one another, on the contrary, -------------. However, these are only
short-term occurrences, which ultimately serve our long-term goal of personal
gain.
Q: Many people do not read the books they purchase. For example, seventeen percent of college students in Pakistan have text books, but only forty-five percent of them read more than once a year, and only seventeen percent read more than once a week. Which of the following, if true, casts doubt on the claim that most people read the books they purchase?
Nine Individuals – Z, Y, X, W, V, U, T, S AND R are the only
candidates, who can serve on three committees labeled A, B and C.
Each candidate should serve on exactly one of the
committees.
Committee A should consist of exactly one member more than
that of committee.
It is possible that there are no members of committee C.
Among Z, Y and X none can serve on committee A. Among W, V and U none can serve
on committee C. Among T, S and R none can serve on committee C.
Q: In case R is the only individual serving on committee B, which among the following should serve on committee A?
A. W and S
B. V and U
C. V and T
D. U and S
2
Four captains and the first mates of three of them were
called to attend the annual meeting at head quarter. The captains were Luqman,
Manzoor, Nauman and Osaf; the first mates were Ayesha, Durya and Gia. Each
person in turn delivered a report to the chairperson as follows:
Each of the first mates delivered their report exactly after
her captain. The first captain to speak was Manzoor, and captain Nauman spoke
after him.
(Represent the person with first letter of his name)
Q: Which of the following order of delivering report is not conformable with the conditions?
A. M, A, N, G, O, L, D
B. M, D, N, G,L,O, A
C. M, N, A,L, D, O,G
D. M, N, A, O, D, L, G
3
A railway track from Lahore to Islamabad consists of six
main stations, P, Q, R, X, Y, and Z. Trains run only according to the following
condition:
(i) Frm P to Q
(ii) From Q to P and from Q to R
(iii) From R to X
(iv) From X to Q and from X to Y
(v) From Z to P, from Z to Y and from Z to R
(vi) From Y to X
(vii) It is possible to transfer a station for another
train.
Q. The greatest
number of stations that can be visited without visiting any station more than
once, is:
A. 4
B. 5
C. 6
D. 3
4
Three men (Tahir, Pervaiz and Javed) and three women (Elena, Ayesha and Kiran) are spending a few months at Abbottabad. They are to stay in a row of nine cottages, each on living in his or her own cottage. There are no others staying in the same row of cottages.
1. Ayesha, Tahir and Javed do not want to stay in any cottage, which is at the end of the row.
2. Elena and Ayesha ar unwilling to stay besides my occupied cottage.
3. Kiran is next to Pervaiz and Javed.
4. Between Ayesha and Javed’s cottage there is just one vacant house.
5. None of the girls occupies adjacent cottages.
6. The house occupied by Tahir is next to an end cottage.
Q: Which among these statement(s) are true?
a. Ayesha is between Elena and Javed.
b. At the most four persons can have ocupied cottages on either side of them.
c. Tahir stays besides Pervaiz
A. I only
B. II only
C. I and III only
D. II and III only
5
In a factory control room, there are three ON-OFF switches
on the central control panel, labeled A, B and C. They are changed from default
setting to a required setting based on the following rules:
In case only switch A is ON in the default setting, then
turn switch B ON.
In case switches A and B are the only switches ON in the
default setting, then turn switch C ON. In case all the three switches are ON,
in default setting, then turn the switch C OFF. For any other default setting,
turn ON all switches that are OFF and turn OFF all switches, if any, that are
ON.
Q: In case, only switch B is ON in the second setting. Which of the following could have been the default setting?
A. A ON, B ON, C ON.
B. A ON, B OFF, C ON.
C. A OFF, B ON, C OFF.
D. A OFF, B OFF, C ON.
6
Multan Institute of Higher Studies plans to show five
educational films A, B, C, D and E to a group of students. The film shows are
planned in an order, which conforms to the following conditions:
A must be shown earlier than C.
B must be shown earlier than D.
E should be the fifth film shown.
Q: In case, D is to be shown earlier than A, then for which of the following these exactly one position from through fifth in which it can be scheduled to be shown?
A. A
B. B
C. C
D. D
7
One’s ability to adjust in an environment successfully leads
to happiness. War at a universal level destroys the weaker people, who are the
most unable to adjust to their environment. Thus, war at the universal level
puts weakling out of their misery and allows more space for their predators to
enjoy life in a better manner. As those actions have to be performed, which
maximize the level of happiness of the greatest number, war at a universal
level should take place.
Q: What response would the author of the above discussion come up with, in the case of the objection that the weaklings far exceed strong people?
I- He would respond with statement that the person making the objection is a weakling.
II- He would respond by saying that weakings will be miserable no matter what happens.
III- He would respond with statement that the strong would be frustrated if the weaklings are destroyed.
A. I only
B. II only
C. III only
D. I and II only
8
At IOWA University, Students of Economics must complete a
total to twelve courses selected from three different parts of the syllabus …. Comparative
economics, environmental economics, and regional economics… in order to
graduate, the students must meet the following course distribution requirements:
(i) At least six of the required twelve course must be from
the environmental economics.
(ii) At least five of the required twelve courses must be
from comparative economics and regional economics, with at least one, but no
more than three, selected from comparative economics.
Q: The minimum number of regional economics courses required
to fulfil the course distribution requirements is
A. 1
B. 3
C. 5
D. 2
9
Multan Institute of Higher Studies plans to show five
educational films A, B, C, D and E to a group of students. The film shows are
planned in an order, which conforms to the following conditions:
A must be shown earlier than C.
B must be shown earlier than D.
E should be the fifth film shown.
Q: Which among the following is an acceptable order for showing the educational films?
A. A, C, B, D, E
B. A, C, D, E, B
C. B, D, C, A, E
D. B, D, E, A, C
10
A railway track from Lahore to Islamabad consists of six
main stations, P, Q, R, X, Y, and Z. Trains run only according to the following
condition:
(i) Frm P to Q
(ii) From Q to P and from Q to R
(iii) From R to X
(iv) From X to Q and from X to Y
(v) From Z to P, from Z to Y and from Z to R
(vi) From Y to X
(vii) It is possible to transfer a station for another
train.
Q. The complete and accurate listing of the stations from
which it is possible to reach R with exactly one transfer is :
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