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On a factory control room, there are three ON-OFF switches on 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 BON.. In case switches A and B are the only switches ON in the default setting, then turn switch CON. 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 the three switches are ON in the second setting, which among the following could have been the default setting?
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A. AON,BON,CON
B. AON,BON,COFF
C. AON,BOFF,CON
D. AON,BOFF,COFF
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| 2 |
A carrier must deliver mail by making a stop at each of six buildings: S,T,U,V,W and X,Mail to be delivered are of two types,ordinary mail and priority mail.The delivery of both types of mail is subject to the following conditions:Regardless of the type of mail to be delivered mail to W and mail to X must be delivered,mail to W and mail to X must be delivered before mail to U is delivered,Regardless of the type of mail to be delivered,mail to T and mail to S must be delivered before mail to X is delivered.Mail to buildings receiving some priority mail must be delivered,as far as the above conditions permit,before mail to buildings receiving only ordinary mail.Q-If the sequence of buildings to which mail is delivered is V,W,T,S,X,U and if X is receiving priority mail,which of the following is a complete and accurate list of buildings that must also be receiving priority mail?
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A. V,T
B. V,W
C. W,T
D. W,U
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| 3 |
Travelers may enter and remain in the republic for up to 57 days.If a travelers are to stay for more than seven days,however,a special visa is required.Q-10.If the statements above are true,which of the following must also be true?
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A. Travelers who are staying in the Republic for 15 days must have a special visa.
B. Many travelers who any stay in the Republic do not need visa.
C. Some travelers who stay in the Republic for more than seven days do not have to appropriate visas.
D. Travelers who stay less than seven days in the Republic do not need visas.
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| 4 |
The accounts staff of the Mark corporation presently consists of three book-keepers (X,Y and Z) and five Data Entry Operators (M,N,O,P and Q) Management is planning to open a new office in another city sending three Data Entry Operators and two book-keepers from the present staff.To do so they plan to separate certain individuals who do not function well together.The following guidelines were established to set up the new office:(i) Book-keepers X and Z are constantly finding faults with one another therefore should not be sent together to the new office.(ii) Z and N function well alone but not as a team.They should be separated.(iii) M and P have not been on speaking terms for many months they should not go together.(iv) Since M and O have been competing for a promotion they should not be in one team.Based on the above information find the correct answers to the following questions:Q-If Y insists on staying back then how many combinations are possible?
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A. 3
B. 2
C. 1
D. None
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| 5 |
In a room,six people,P,Q,R,S,M and N are seated about a round table.Every chair is placed equidistant from adjacent chairs.1.M is seated next to R.2.S is seated 3 seats from R.3.P is seated 2 seats from N.Q-Which of the following is necessarily true?
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A. The linear distance from S to R is greater than the linear distance from N to M.
B. The linear distance from P to Q is equal to the linear distance from M to N.
C. The linear distance from R to M is equal to the linear distance from P to S.
D. The linear distance from M to Q is equal to the linear distance from P to M.
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| 6 |
In a computer data transfer-cable plant,cables are assembled by twisting plastic-coated wires together.There are wires of exactly six different solid colours---red,purple,pink,green,orange and book --wires must be assembled into single cables according to the following rules:Each cable must contain at least three wires and wires of at least three different colours.These cables are joined by the following rules:At most two wires in a single cable can be black.At most two wires in a single cable can be orange.There can be at most one wire of each of the other colours in a single cable.If one wire is red,then one wire must be purple.If one wire is pink,then no wire can be green.Q-If exactly one black wire and exactly one orange wire are used in an assembled cable,which of the following must be true?
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A. The cable contains no more than five wires.
B. The cable contains a purple wire.
C. The cable does not contain a pink wire.
D. The cable does not contain a red wire.
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| 7 |
Researchers have found an inactive virus in dry bread.In previous experiments,researchers found that inactivated viruses could convert healty cells into cancer cells.It can be concluded that the use of dry bread can casue cancer.Q-Which one of the following if true most seriously weakens the argument?
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A. The result of many studies about the same topic were consistent.
B. Many other ingredients dry bread can neutralize the effect of inactive virus.
C. Many of cancer patients confirmed the use of dry bread.
D. Ten percent of rural population use dry bread
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| 8 |
In a computer data transfer-cable plant,cables are assembled by twisting plastic-coated wires together.There are wires of exactly six different solid colours---red,purple,pink,green,orange and book --wires must be assembled into single cables according to the following rules:Each cable must contain at least three wires and wires of at least three different colours.These cables are joined by the following rules:At most two wires in a single cable can be black.At most two wires in a single cable can be orange.There can be at most one wire of each of the other colours in a single cable.If one wire is red,then one wire must be purple.If one wire is pink,then no wire can be green.Q-3.If an orange wire and a pink wire must be among the wires chosen for a particular cable,any of the following pairs of wires could complete the cable EXCEPT a?
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A. Black wire and a second orange wire.
B. Purple wire and a second orange wire.
C. Purple wire and a black wire
D. Red wire and a purple wire
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| 9 |
Travelling by cars is safer than travelling by planes.About 80% of plane accidents result in death of all passengers,while about 1% of car accidents result in death.Q.Which of the following if true would most seriously weaken in the argument above?
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A. Pilots are more trained than car drivers are.
B. Speed of car is lesser than that of planes.
C. The number of car accidents is several thousand times higher than the number of plane accidents.
D. Car carriers less number of passengers.
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| 10 |
Seven children--M,N,O,P,Q,X and Y eligible to enter a drawing contest.From these seven,two teams must be formed,a blue team and a yellow team,each item consisting of exactly three of the children.No child can be selected for more than one team.Team selection is subject to the following restrictions: If P is on the blue team,O must be selected for the yellow team.If M is on the blue team.If M is on the blue team.Q,if selected must be on the yellow team.Q cannot be on the same team as X.N cannot be on the same team as O.Q-Which of the following can be the three members of the blue team?
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A. M,N and O
B. M,Q and Y
C. N,O and Y
D. O,P and Q
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