2,079 views

2 Answers

Best answer
2 votes
2 votes

Total number of stations where train is stopping = 4
Total number of stations where train is not stopping = 8

So if we arrange all stations where train is not stopping linearly then there will be 9 positions to place 4 stations in between them

we need to choose 4 stations out of 9 options = $\binom{9}{4}$ = 126

selected by
0 votes
0 votes

answer will be 126 ways

Related questions

0 votes
0 votes
2 answers
1
Lakshman Bhaiya asked Oct 30, 2018
1,671 views
9 different books are to be arranged on a bookshelf. 4 of these books were written by Shakespeare, 2 by Dickens, and 3 by Conrad. How many possible permutations are there...
3 votes
3 votes
1 answer
2
hacker16 asked Jan 22, 2018
825 views
in how many ways 2 alike apple, 3 alike orange and 4 alike mango can be given to 3 children if each child can have none or 1 or more than 1 fruits.
2 votes
2 votes
1 answer
3
hacker16 asked Jan 22, 2018
687 views
How many words can be formed using the word "ARYASTARK" ?
2 votes
2 votes
2 answers
4
shikharV asked Jan 6, 2016
1,907 views
Given answer: B, Please explain me how to solve it.