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
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.
Q: If the director decides to take two interviews on Thursday and two on Sunday, how many candidates would be eligible to interview on Friday?
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?
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?
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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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?
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?
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:
A bus has exactly six stops on its route. The bus first
stops at stop one and then at stops two, three, four, five and six
respectively. After the bus leaves stop six, the bus turns and returns to stop
one and repeats the cycle. The stops are at six buildings that are, in
alphabetical order L, M, N, O, P and Q.
P is the third stop. M is the sixth stop. The stop O is the
stop immediately before Q. N is the stop immediately before L.
Q: In case N is the fourth stop, which among the following must be the stop immediately before P?
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 is a suitable combination of
vitamins and minerals for a nutriment?
