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?
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: By the addition of exactly one more mineral, which of the
following could make an acceptable combination of vitamins and minerals?
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: In case, switch A is OFF in the second setting. Which of the following could have been the default setting?
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?
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?
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?
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?
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: a greater number of computers are sold in sahiwal than in Burewala. Therefore, the people of Sahiwal are better informed about world events than are the people of Burewala. Each of the following, if ture, weakness the conclusion above EXCEPT?
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: How many of them occupy cottages next to a vacant cottage?
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, in default setting the switches A and B are ON and the switch C is OFF, then what could be the second setting?
