Project ID:
7300000089
Accepted:
Type:
Layout:
Question:
Match the combinatorial expressions with their numerical values:
Questions Title:
Combinatorial Expressions
Answers Title:
Numerical Values
Question 1:
$${7 \choose 3}$$
Answer 1:
$$35$$
Question 2:
Number of $3$-permutations from a set of $7$ distinct elements
Answer 2:
$$210$$
Question 3:
Number of permutations of $6$ distinct elements
Answer 3:
$$720$$
Question 4:
Number of $3$-permutations with repetition from a set of $7$ distinct elements
Answer 4:
$$343$$
Question 5:
$$\frac{8!}{6!+7!}$$
Answer 5:
$$7$$
Question 6:
Number of $5$-combinations from a set of $9$ distinct elements
Answer 6:
$$126$$
Question 7:
$$\frac{8!}{6!\cdot2!}$$
Answer 7:
$$28$$
Question 8:
Number of $3$-permutations from a set of $8$ distinct elements
Answer 8:
$$336$$