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Question
Later, the college imposed a condition that if after the change of electives, the enrollement in any elective (other than E7) dropped to less than 20 students, all the students who had left that course will be required to re-enroll for that elective.
Which of the following is a correct sequence of electives in decreasing order of their final enrollements?
Later, the college imposed a condition that if after the change of electives, the enrollement in any elective (other than E7) dropped to less than 20 students, all the students who had left that course will be required to re-enroll for that elective.
Which of the following is a correct sequence of electives in decreasing order of their final enrollements?
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Solution
The correct option is A E2,E3,E6,E5,E1,E4
Total number of persons in E1 (after the shift) is less than 20. All the 31 persons (earlier in E1) stayed back in E1. This implies no one shifted to E2, E3, E4, E5 and E6. In this scenario, total number of persons is as shown below.
The number of persons in decreasing order: E2, E3, E6, E5, E1, E4.
Total number of persons in E1 (after the shift) is less than 20. All the 31 persons (earlier in E1) stayed back in E1. This implies no one shifted to E2, E3, E4, E5 and E6. In this scenario, total number of persons is as shown below.
The number of persons in decreasing order: E2, E3, E6, E5, E1, E4.
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