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From 6 different novels and 3 different dictionaries,4 novels and 1 dictionary are to be selected and arranged in a row on a shelf so that the dictionary is always in the middle. Then the number of such arrangement is: [2009]
  • a)
    at least 500 but less than 750
  • b)
    at least 750 but less than 1000
  • c)
    at least 1000
  • d)
    less than 500
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
From 6 different novels and 3 different dictionaries,4 novels and 1 di...
4 novels, out of 6 novels and 1 dictionary out of 3 can be selected in 6 C4 x 3C1 ways
Then 4 novels with one dictionary in the middle can be arranged in 4! ways.
∴ Total ways of arrangement = 6C4 x 3C1x 4! = 1080
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From 6 different novels and 3 different dictionaries,4 novels and 1 dictionary are to be selected and arranged in a row on a shelf so that the dictionary is always in the middle. Then the number of such arrangement is: [2009]a)at least 500 but less than 750b)at least 750 but less than 1000c)at least 1000d)less than 500Correct answer is option 'C'. Can you explain this answer?
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From 6 different novels and 3 different dictionaries,4 novels and 1 dictionary are to be selected and arranged in a row on a shelf so that the dictionary is always in the middle. Then the number of such arrangement is: [2009]a)at least 500 but less than 750b)at least 750 but less than 1000c)at least 1000d)less than 500Correct answer is option 'C'. Can you explain this answer? for JEE 2025 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about From 6 different novels and 3 different dictionaries,4 novels and 1 dictionary are to be selected and arranged in a row on a shelf so that the dictionary is always in the middle. Then the number of such arrangement is: [2009]a)at least 500 but less than 750b)at least 750 but less than 1000c)at least 1000d)less than 500Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for JEE 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for From 6 different novels and 3 different dictionaries,4 novels and 1 dictionary are to be selected and arranged in a row on a shelf so that the dictionary is always in the middle. Then the number of such arrangement is: [2009]a)at least 500 but less than 750b)at least 750 but less than 1000c)at least 1000d)less than 500Correct answer is option 'C'. Can you explain this answer?.
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