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 N Views the comet on Thursday, which of the following could be true?
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?
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: The author's discussion would be greatly weakened, if he agreed to which of the following?
I- Technology could change the environment.
II- War at the universal level would be an integral part of the environment.
III- It is possible for the strong to survive without suppressing the weak.
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, switch A is OFF in the second setting. Which of the following could have been the default setting?
Six candidates …. Ali, Amin, Omer,
Hamza, Saleem and Osama are being interviewed for a job. The interview will
take place over four consecutive days, starting on Thursday, Each candidate will
have only one interview. The day on which the different candidates will
interview must confirm to the following conditions:
(i) At least one interview will
take place each day
(ii) No more than two interviews
will take place on any day
(iii) No more than three interviews
will take place on any two consecutive days
(iv) Ali’s interview must take
place on Saturday.
(v) Amin’s interview must place on
the same with another interview.
(vi) Saleem’s interview must take
place on the day before Osama’s interview
(vii) Omer’s interview must take
place on a day after Hamza’s interview.
Q: If Hamza and Osama have their interviews on the same day which of the following be must be true?
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
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Dieticians claim that those people who seek help to quit the habit of over eating, are unable to stop overeating. Therefore, doctors have concluded that success in breaking such habit is rare. A large-scale survey shows that thousands of people have quit the habit of over eating. If both of the statements above are correct, an explanation that resolves their apparent contradiction is.
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?
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: Which of the following default settings leads to a second setting, where only one switch is OFF?
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?
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?
