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Numerical Ability
Permutation and Combination
choosing 2 people out of 10 in how many combinations can a particular person (some name) be always included….
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- 9
1 person should always be there
remaining are 9
so total possible combination is 9c1=9
so total combination is 9*1=9 - 14 years agoHelpfull: Yes(18) No(0)
- 9
because 1 is to be selected every time.so out of 10 people we remained with 9 choices.and now out of 9 only 1 person is to selected.
therefore, 9C1=9. - 11 years agoHelpfull: Yes(2) No(0)
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