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?
Question # 2
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?
Question # 3
In an in vitro study, 160 white cars were injected with Salt
X. 160 other white cats injected with placebo. In two weeks, 39% of the white
cats, who were injected with Salt X showed symptoms of Kay fever. Hence, it can
be concluded that Kay fever is caused by some elements similar to the elements
in Salt X.
Q: Wall chalking on public property should be outlawed. Radicals and fanatics have no right to use public property when promoting their unsavory views. The argument above is based on the idea
Question # 4
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, C is shown earlier than E, which among the following will hold true?
Question # 5
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: In case C is to be the fifth scientist to present his paper, then B must be
Question # 6
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: Among the following combinations which could constitute the membership of committee C?
Question # 7
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: Choose the best option to complete the above statement:
Question # 8
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, S and X are the only individuals serving on committee B, the total membership of committee C should be:
Question # 9
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: About 20 percent of Pakistani husband think that wives with school going children should work outside the home. Only 10 percent of Iranian husband approves of mothers working if school going children live at home. Every other Pakistani wife and every third Iranian wife with school going children has a job outside her home. If the above statement is correct, which of the following must be true?
Question # 10
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 statement must be true?
Question # 11
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 # 12
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: If Rubina was born in KPK, then she is a citizen of Pakistan, The statement above can be deduced from which of the following statement?
Question # 13
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 especially the experts in the field of forestry are against all forest fires. They demand that all forest fires show that in the long run, forest fires may in fact, be beneficial to the ecology as a whole. Among the following, which statement would logically follow from one of the observations referred to in the passage above?
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: of the nine individuals, the largest number that can serve together on committee C is
Question # 15
Rizwan was born in 1956, and so in 7965 he was nine years old. If we per use this example, it is clear that the last two digits of a person's birth will be the same as the last two digits of the year of that person's ninth birthday, except that the position of the digits will be reversed.
Identify, which is the best criticism of the assertions made above.