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10 examination papers are arranged in such a way that the best and worst papers never come together. The number of arrangements is
- a)
- b)
- c)
- d)none of these
Correct answer is option 'C'. Can you explain this answer?
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Verified Answer
10 examination papers are arranged in such a way that the best and wor...
No. of ways in which 10 paper can arranged is 10! Ways.
When the best and the worst papers come together, regarding the two as one paper, we have only 9 papers.
These 9 papers can be arranged in 9! Ways.
And two papers can be arranged themselves in 2! Ways.
No. of arrangement when best and worst paper do not come together,
= 10!- 9!.2! = 9!(10-2) = 8.9!.
Most Upvoted Answer
10 examination papers are arranged in such a way that the best and wor...
A)total 10 ..worst and best'2
10 -2=8
b)2 particular article's never come together
10-1=9
correct answer is..8.9|
10 -2=8
b)2 particular article's never come together
10-1=9
correct answer is..8.9|
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10 examination papers are arranged in such a way that the best and wor...
Heyyy mate... (n-2)(n-1)! = (10-2)(10-1) = 8 ×9! hope it helps u
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10 examination papers are arranged in such a way that the best and worst papers never come together. The number of arrangements isa)b)c)d)none of theseCorrect answer is option 'C'. Can you explain this answer?
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10 examination papers are arranged in such a way that the best and worst papers never come together. The number of arrangements isa)b)c)d)none of theseCorrect answer is option 'C'. Can you explain this answer? for CA Foundation 2024 is part of CA Foundation preparation. The Question and answers have been prepared according to the CA Foundation exam syllabus. Information about 10 examination papers are arranged in such a way that the best and worst papers never come together. The number of arrangements isa)b)c)d)none of theseCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for CA Foundation 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for 10 examination papers are arranged in such a way that the best and worst papers never come together. The number of arrangements isa)b)c)d)none of theseCorrect answer is option 'C'. Can you explain this answer?.
10 examination papers are arranged in such a way that the best and worst papers never come together. The number of arrangements isa)b)c)d)none of theseCorrect answer is option 'C'. Can you explain this answer? for CA Foundation 2024 is part of CA Foundation preparation. The Question and answers have been prepared according to the CA Foundation exam syllabus. Information about 10 examination papers are arranged in such a way that the best and worst papers never come together. The number of arrangements isa)b)c)d)none of theseCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for CA Foundation 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for 10 examination papers are arranged in such a way that the best and worst papers never come together. The number of arrangements isa)b)c)d)none of theseCorrect answer is option 'C'. Can you explain this answer?.
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