The Number of Possible Composition, Number of Possible Formation (permutation QnA)

Permutation: Possible Composition, Possible Formation
Example 8:
In an organization, will be chosen the leader, treasurer, and secretary from the 9 candidates that satisfy the criteria. Determine the number of management structure that possible from the 9 candidates.

The number of candidates is 9, and Three persons will be chosen to be leader, secretary, and treasurer. The number of possible management structure.

number of management structure
Exercise Competency Test 8
1. In an organization, will be chosen the leader, treasure and secretary from 8 candidates that satisfy the criteria. The number of possible management structure from the 8 candidates = …
A. 56 B. 336 C. 456 D. 1680 E. 6720
Answer: B, explanation:

number of possible management structure
2. The motor cross championship’s committee wants to determine the 1st, 2nd and 3rd champion from the 25 participants who join the championship. The number of possible composition of championships is equal to …
A. 13800 B. 14800 C. 15800 D. 16800 E. 17800
Answer: A, explanation:

composition championship
3. Seven highest officials from 7 nations are standing in a line, to be captured in photo. If one of the 7 officials have to be always in the middle of the line, then the number of possible formation is equal to …
A. 5040 B. 1440 C. 720 C. 240 E. 120
Answer: C, explanation:

number of possible formation
4. A company has 10 shops. A company’s truck, for each a trip can load the needs of 3 shops, or it’s truck can stop at tree shops in one route. The number of the route which is can spent by the truck to deliver the needs of 10 shops is …
A. 820 B. 720 C. 620 D. 320 E. 120
Answer: B, explanation:

number of route
5. The number of numbers which is consist of three different numeral that can be arranged from the numerals: 1, 2, 3, 4, 5, 6 is …
A. 120 B. 60 C. 30 D. 15 E. 6
Answer: A, explanation:

numbers consist of different numerals
6. A bench can only be sat by 5 persons. The number of the possible ways if 8 persons will sit on the bench is …
A. 6720 B. 336 C. 40 D. 36 E. 24
Answer: A, explanation:

persons sit

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