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 O can view the comet neither on Wednesday nor on Thursday, which of the following must be true?
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 statements would most seriously weaken the above discussion?
Three men (Tahir, Pervaiz and Javed) and three women (Elena,
Ayesha and Kiran) are spending a few months at Abbottabad. They are to stay in
a row of nine cottages, each on living in his or her own cottage. There are no
others staying in the same row of cottages.
1. Ayesha, Tahir and Javed do not want to stay in any
cottage, which is at the end of the row.
2. Elena and Ayesha ar unwilling to stay besides my occupied
cottage.
3. Kiran is next to Pervaiz and Javed.
4. Between Ayesha and Javed’s cottage there is just one
vacant house.
5. None of the girls occupies adjacent cottages.
6. The house occupied by Tahir is next to an end cottage.
Q: Which of the above statements can be said to have been derived from two other statement?
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:
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.
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?
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: Which of the following order of delivering report is not conformable with the conditions?
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: Everything that the king knows necessarily is, because even what we ourselves know necessarily is; and, of course, our knowledge is not as certain as Kng's knowledge is. However, no future contingent thing necessarily is. Among the following statements, which naturally follows from the above:
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 statement must be true?
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.
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: Among the following combinations which could constitute the membership of committee C?