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KEAM 2018 Math Paper
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© examsnet.com
Question : 36
Total: 120
A password is set with 3 distinct letters from the word LOGARITHMS. How many such passwords can be formed?
90
720
80
240
120
Validate
Solution:
LOGARITHMS letters are
10
.
A password is set with 3 distinct letters
10
C
3
×
3
!
=
10
×
9
×
8
3
×
2
×
3
×
2
=
720
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