SOLUTION: How many ways can 6 students sit in 3 seats in a row ?

Algebra.Com
Question 354237: How many ways can 6 students sit in 3 seats in a row ?
Found 2 solutions by ewatrrr, sudhanshu_kmr:
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
Hi,
The number of combinations of a set of n objects taken r at a time is given by nCr = (n!)/(r!(n - r)!).
.
6 Choose 3!
.
6C3 =(6!)/(3!(6 - 3)! = 6*5*4/ 3*2 = 20 ways

Answer by sudhanshu_kmr(1152)   (Show Source): You can put this solution on YOUR website!

No.of ways to select 3 student from 6 student to sit in 3 seats = 6C3 = 20

no. of ways to arrange these 3 student on seat = 3!
= 6

total no. of ways to = 20 *6 = 120

RELATED QUESTIONS

how many different ways can 6 people sit in a row with 6 seats (answered by checkley79,sudhanshu_kmr)
There are 7 students in a class. If there are 3 seats in the front row, how many ways can (answered by josmiceli,ikleyn)
How many ways can 7 people sit in 7 seats in a... (answered by josmiceli)
Six friends go to a movie. How many ways can they sit in a row of 6... (answered by Fombitz)
There are two rows of seats in the classroom and each row has six seats. If a class has... (answered by Boreal)
There are two rows of seats in the classroom and each row has six seats. If a class has... (answered by Edwin McCravy)
A group consists of 6 students (3 boys and 3 girls) and one teacher. In how many ways... (answered by Edwin McCravy)
How many ways can five students sit in a row of eight chairs for a... (answered by stanbon)
How many different ways can 4 friends sit in a row with 4 seats? Please provide... (answered by ewatrrr)