Exam
Maths Puzzle
Permutation and Combination
Q1. A teacher wants to write an ordered 5-question test from a pool of 8-questions. How many different forms forms of the test can the teacher write?
Q2. How many 5-number license plates can be made using the digits 1, 2, 3, 4, 5, 6, 7 if an odd digit must come first and repetitions are allowed? not allowed?
Q3. Suppose in Exercise 2 the license number must be odd. How would it be solved?
Q4. How would the number of pernutations of the letters of these words be found?
1. DEED
2. COMMITTE
3. CINCINNATI
4. SATELLITE
6. MASSACHUSETTS
Q5. A player in a word game has the letters E, E, B, D, G, G , G. In how many ways can these letters be arranged?
A. 210
B. 1260
C. 840
D. 420
Q6. What is the number of permutations of six numbers on a spinner?
In how many ways can the 10 awimmers on an aquatic ballet team be arranged in a cirurlar pattern?
Read Solution (Total 0)
Exam Other Question