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If the letters of the word 'MIRROR' are ...

If the letters of the word 'MIRROR' are arranged as in a dictionary, then the Rank of the given word is

A

23

B

84

C

49

D

48

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The correct Answer is:
A
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AAKASH SERIES-PERMUTATIONS & COMBINATIONS-PRACTICE EXERCISE
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  2. Number of ways 15 persons be seated round a table if there are 7 seats...

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  3. If the letters of the word 'MIRROR' are arranged as in a dictionary, t...

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  4. The number of ways in which 5 red beeds and 4 yellow beeds of...

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  6. The sum of numbers formed by taking all the digits 2, 4, 6, 8 is

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  8. The sum of all the numbers greater than 10000 formed by using digits 0...

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  10. The number of ways of 5 letters put in 5 addressed envelopes so that o...

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  12. Statement-I : The number of ways of arranging the letters of the word ...

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  13. If a, b, c are the number of functions, injections, constant functions...

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  14. Match the following {:("Word","Number of permutations by using all t...

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  15. Assertion (A) : There are three doors to a room. The number of ways in...

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  16. If ""^(35)C(n+7)=""^(35)C(4n-2), then all the values of n are given by

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  17. IF ""^(15)C(r+3)=""^(15)C(2r-3), then r=

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  18. ""^(n-2)C(r)+2.""^(n-2)C(r-1)+""^(n-2)C(r-2) is equal to

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  19. If ""^(18)C(r)=""^(18)C(r+2) then ""^(R )C(5)=

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  20. If ""^(n)C(4)=""^(n)C(8), then ""^(n)C(2) is

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