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RRB Paramedical Staff Nurse Model Paper 1
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© examsnet.com
Question : 55
Total: 100
In how many different ways can the letters of the word ‘HAPPY’ be arranged?
120
140
60
70
Validate
Solution:
HAPPY
There are 5 letters.
And number of words formed
=
5
!
2
!
=
5
×
4
×
3
×
2
×
1
2
×
1
=
120
2
=
60
© examsnet.com
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