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?
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 trip which
requires greatest number of transfer, is:
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 would make M, D, N, G, L, O, A the only possible sequence of speakers?
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.
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: Professor Taimoor told his class that teacher's evaluation by students is not a valid measure of teaching quality. For this evaluation, students should fill out questionnaires at the end of the course. Which of the following, if true, supports professor Taimoor's suggestion?
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, any of the nine individuals serves on committee C, which among the following could not be the candidate to serve on committee A?
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
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: Which of the following would most strengthen the argument above?
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?
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 the below mentioned brands, which can be made agreeable by eliminating some or all of one type of tealeaves?