एक ग्रिड पथ को पहले (3) दाईं और (2) ऊपर चालों वाले बिंदु से होकर जाना है। कुल यात्रा में (7) दाईं और (4) ऊपर चालें हैं। ऐसे रास्ते कितने हैं?

A grid path must pass through a point reached after (3) right and (2) up moves. The total journey has (7) right and (4) up moves. How many such paths are there?

Explanation opens after your attempt
Correct Answer

A. (150)

Step 1

Concept

The first part has \(^{5}C_{3}\) paths and the second part has \(^{6}C_{4}\) paths. Total \(10\times15=150\).

Step 2

Why this answer is correct

The correct answer is A. (150). The first part has \(^{5}C_{3}\) paths and the second part has \(^{6}C_{4}\) paths. Total \(10\times15=150\).

Step 3

Exam Tip

पहले भाग में \(^{5}C_{3}\) और दूसरे भाग में \(^{6}C_{4}\) रास्ते हैं। कुल \(10\times15=150\)।

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Mathematics Answer, Explanation and Revision Hints

एक ग्रिड पथ को पहले (3) दाईं और (2) ऊपर चालों वाले बिंदु से होकर जाना है। कुल यात्रा में (7) दाईं और (4) ऊपर चालें हैं। ऐसे रास्ते कितने हैं? / A grid path must pass through a point reached after (3) right and (2) up moves. The total journey has (7) right and (4) up moves. How many such paths are there?

Correct Answer: A. (150). Explanation: पहले भाग में \(^{5}C_{3}\) और दूसरे भाग में \(^{6}C_{4}\) रास्ते हैं। कुल \(10\times15=150\)। / The first part has \(^{5}C_{3}\) paths and the second part has \(^{6}C_{4}\) paths. Total \(10\times15=150\).

Which concept should I revise for this Mathematics MCQ?

The first part has \(^{5}C_{3}\) paths and the second part has \(^{6}C_{4}\) paths. Total \(10\times15=150\).

What exam hint can help solve this Mathematics question?

पहले भाग में \(^{5}C_{3}\) और दूसरे भाग में \(^{6}C_{4}\) रास्ते हैं। कुल \(10\times15=150\)।