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26 Jul 2019, 00:30
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E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
35%
(medium)
Question Stats:
75% (00:47) correct
25%
(01:10)
wrong
based on 32
sessions
History
Date
Time
Result
Not Attempted Yet
How many different 5-letter words can be formed from the word ORANGE using each letter only once?
(A) 6P6
(B) 36
(C) 6C6
(D) 66
(E) 6P5
(A) 6P6
(B) 36
(C) 6C6
(D) 66
(E) 6P5
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26 Jul 2019, 07:21
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Bunuel
How many different 5-letter words can be formed from the word ORANGE using each letter only once?
(A) 6P6
(B) 36
(C) 6C6
(D) 66
(E) 6P5
(A) 6P6
(B) 36
(C) 6C6
(D) 66
(E) 6P5
total possible ways for 5 letter word ORANGE ; 6P5
IMO E
chetansood
26 Jul 2019, 07:34
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I do it like this there are 5 positions to be filled and 6 candidate alphapbets who can fill them.
Now since the candidates cant be repeated the first position can have
1st can have 6 candidate alphabets
2nd can have 5 candidate alphabets
3rd can have 4
4th can have 3
5th can have 2
So in total u have 6x5x4x3x2 that is 6 !
6p6 will be 6!/(6-6)! Which will be 6!/0!
This implies answer is 6p6
option ( A )
Posted from my mobile device
Now since the candidates cant be repeated the first position can have
1st can have 6 candidate alphabets
2nd can have 5 candidate alphabets
3rd can have 4
4th can have 3
5th can have 2
So in total u have 6x5x4x3x2 that is 6 !
6p6 will be 6!/(6-6)! Which will be 6!/0!
This implies answer is 6p6
option ( A )
Posted from my mobile device
