एक बिंदु से दूसरे बिंदु तक जाने के लिए (7) दाईं चालें और (4) ऊपर चालें चाहिए। सबसे छोटे रास्ते कितने होंगे?
To go from one point to another, (7) right moves and (4) up moves are required. How many shortest paths are possible?
Explanation opens after your attempt
C. (330)
Concept
Choose the positions of (7) right moves among (11) moves. The number is \(^{11}C_{7}=330\).
Why this answer is correct
The correct answer is C. (330). Choose the positions of (7) right moves among (11) moves. The number is \(^{11}C_{7}=330\).
Exam Tip
कुल (11) चालों में से (7) दाईं चालों के स्थान चुनें। संख्या \(^{11}C_{7}=330\) है।
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