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
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?
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.
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 F is to present his paper immediately after D presents his paper, C could be scheduled for which of the following places in the order of presenters?
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?
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
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.
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?
An Internal Services Manager at a large corporation has been assigned the task of allotting offices to six of the staff members. The offices are titled A through F.
Mrs. Ruby needs to use the telephone quite often throughout the day. Mr. Mujahid and Mr. Zahid need adjacent offices as they need to consult each other often while working. Mrs. Fauzia is a senior employee and has to be allotted the office marked E, having the biggest window. Mr. Abid requires silence in the offices next to his. Mr. Shahid, Mr. Mujahid and Mr. Abid are all smokers. Mrs. Fauzia requires non-smoker neighbors.
Unless specifically stated all the employees maintain an atmosphere of silence during office hours.
Q: The idea office for Mr. Mujahid would be.
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 F and E are the fifth and sixth presenters respectively then which of the following must be true?
