एक \(5\times 4\) ग्रिड में बाएं-नीचे से दाएं-ऊपर जाने के लिए केवल दाएं और ऊपर चालें चलनी हैं। कुल कितने रास्ते हैं?
In a \(5\times 4\) grid, one moves from bottom-left to top-right using only right and up moves. How many paths are possible?
Explanation opens after your attempt
A. (126)
Concept
There are (9) moves with (5) right and (4) up. Paths are \(^{9}C_{5}=126\).
Why this answer is correct
The correct answer is A. (126). There are (9) moves with (5) right and (4) up. Paths are \(^{9}C_{5}=126\).
Exam Tip
कुल चालें (9) हैं जिनमें (5) दाएं और (4) ऊपर हैं। रास्ते \(^{9}C_{5}=126\) हैं।
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