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
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: In case L speaks after A, and A is the third of the first mates to speak, then among the following statements which would be urtrue?
Question # 3
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 # 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: Which among the following is the pair of films that CANNOT be shown right before E?
Question # 5
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: Which among the following options would most strongly contradict the author;s attitiude towards society?
Question # 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: Which among the following is an acceptable order for showing the educational films?
Question # 7
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 :
Question # 8
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: In case A spoke immediately after L and immediately before O, and O was not the last speaker, L spoke
Question # 9
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 # 10
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