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At an Electronic Data Processing Unit, five out of the eight program sets P, Q, R, S, T, U, V and W are to be operated daily. On any one day except for the first day of a month, only three of the program sets must be the ones that were operated on the previous day. 
The program operating must also satisfy the following conditions:
I. If program P is to be operated on a day, V cannot be operated on that day.
II. If Q is to be operated on a day, T must be one of the programs to be operated after Q.
III. If R is to be operated on a day, V must be one of the programs to be operated after R.
IV. The last program to be operated on any day must be either S or U.
Q. If R is operated at third place in a sequence, which of the following cannot be the second program in that sequence?
  • a)
    S
  • b)
    Q
  • c)
    T
  • d)
    U
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
At an Electronic Data Processing Unit, five out of the eight program s...
If R is operated at third place, Q cannot be operated at second place because T must be operated after that which is not possible.
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At an Electronic Data Processing Unit, five out of the eight program s...
To determine which program cannot be the second program in the sequence if program R is operated at the third place, we need to analyze the given conditions:

I. If program P is to be operated on a day, V cannot be operated on that day.
II. If Q is to be operated on a day, T must be one of the programs to be operated after Q.
III. If R is to be operated on a day, V must be one of the programs to be operated after R.
IV. The last program to be operated on any day must be either S or U.

Now let's consider the possibilities for the second program if R is operated at the third place.

1. If S is the second program:
- The last program should be either S or U.
- However, if the last program is U, then R cannot be operated on that day as per condition III.
- So, S can be the second program.

2. If Q is the second program:
- The last program should be either S or U.
- If the last program is S, then R cannot be operated on that day as per condition III.
- So, Q cannot be the second program.

3. If T is the second program:
- The last program should be either S or U.
- If the last program is S, then R cannot be operated on that day as per condition III.
- So, T can be the second program.

4. If U is the second program:
- The last program should be either S or U.
- U can be the last program, so it is a valid option.

Therefore, based on the given conditions, if R is operated at the third place, Q cannot be the second program in the sequence. Hence, the correct answer is option B.
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At an Electronic Data Processing Unit, five out of the eight program setsP, Q, R, S, T, U, VandWare to be operated daily. On any one day except for the first day of a month, only three of the program sets must be the ones that were operated on the previous day.The program operating must also satisfy the following conditions:I. If programPis to be operated on a day,Vcannot be operated on that day.II. IfQis to be operated on a day,Tmust be one of the programs to be operated afterQ.III. IfRis to be operated on a day,Vmust be one of the programs to be operated afterR.IV. The last program to be operated on any day must be eitherSorU.Q.IfRis operated at third place in a sequence, which of the following cannot be the second program in that sequence?a)Sb)Qc)Td)UCorrect answer is option 'B'. Can you explain this answer?
Question Description
At an Electronic Data Processing Unit, five out of the eight program setsP, Q, R, S, T, U, VandWare to be operated daily. On any one day except for the first day of a month, only three of the program sets must be the ones that were operated on the previous day.The program operating must also satisfy the following conditions:I. If programPis to be operated on a day,Vcannot be operated on that day.II. IfQis to be operated on a day,Tmust be one of the programs to be operated afterQ.III. IfRis to be operated on a day,Vmust be one of the programs to be operated afterR.IV. The last program to be operated on any day must be eitherSorU.Q.IfRis operated at third place in a sequence, which of the following cannot be the second program in that sequence?a)Sb)Qc)Td)UCorrect answer is option 'B'. Can you explain this answer? for UPSC 2025 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about At an Electronic Data Processing Unit, five out of the eight program setsP, Q, R, S, T, U, VandWare to be operated daily. On any one day except for the first day of a month, only three of the program sets must be the ones that were operated on the previous day.The program operating must also satisfy the following conditions:I. If programPis to be operated on a day,Vcannot be operated on that day.II. IfQis to be operated on a day,Tmust be one of the programs to be operated afterQ.III. IfRis to be operated on a day,Vmust be one of the programs to be operated afterR.IV. The last program to be operated on any day must be eitherSorU.Q.IfRis operated at third place in a sequence, which of the following cannot be the second program in that sequence?a)Sb)Qc)Td)UCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for UPSC 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for At an Electronic Data Processing Unit, five out of the eight program setsP, Q, R, S, T, U, VandWare to be operated daily. On any one day except for the first day of a month, only three of the program sets must be the ones that were operated on the previous day.The program operating must also satisfy the following conditions:I. If programPis to be operated on a day,Vcannot be operated on that day.II. IfQis to be operated on a day,Tmust be one of the programs to be operated afterQ.III. IfRis to be operated on a day,Vmust be one of the programs to be operated afterR.IV. The last program to be operated on any day must be eitherSorU.Q.IfRis operated at third place in a sequence, which of the following cannot be the second program in that sequence?a)Sb)Qc)Td)UCorrect answer is option 'B'. Can you explain this answer?.
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