यदि \(A=\{1,2,3,4,5\}\) और \(B=\{a,b,c,d,e,f\}\) हों, तो (A) से (B) में ऐसे कितने फलन हैं जिनमें पांचों छवियां अलग-अलग हों?

If \(A=\{1,2,3,4,5\}\) and \(B=\{a,b,c,d,e,f\}\), how many functions from (A) to (B) have all five images distinct?

Explanation opens after your attempt
Correct Answer

C. (720)

Step 1

Concept

The choices are (6,5,4,3,2) in order. Total functions are \(6\cdot5\cdot4\cdot3\cdot2=720\).

Step 2

Why this answer is correct

The correct answer is C. (720). The choices are (6,5,4,3,2) in order. Total functions are \(6\cdot5\cdot4\cdot3\cdot2=720\).

Step 3

Exam Tip

क्रम से (6,5,4,3,2) विकल्प मिलते हैं। कुल \(6\cdot5\cdot4\cdot3\cdot2=720\) फलन हैं।

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यदि \(A=\{1,2,3,4,5\}\) और \(B=\{a,b,c,d,e,f\}\) हों, तो (A) से (B) में ऐसे कितने फलन हैं जिनमें पांचों छवियां अलग-अलग हों? / If \(A=\{1,2,3,4,5\}\) and \(B=\{a,b,c,d,e,f\}\), how many functions from (A) to (B) have all five images distinct?

Correct Answer: C. (720). Explanation: क्रम से (6,5,4,3,2) विकल्प मिलते हैं। कुल \(6\cdot5\cdot4\cdot3\cdot2=720\) फलन हैं। / The choices are (6,5,4,3,2) in order. Total functions are \(6\cdot5\cdot4\cdot3\cdot2=720\).

Which concept should I revise for this Mathematics MCQ?

The choices are (6,5,4,3,2) in order. Total functions are \(6\cdot5\cdot4\cdot3\cdot2=720\).

What exam hint can help solve this Mathematics question?

क्रम से (6,5,4,3,2) विकल्प मिलते हैं। कुल \(6\cdot5\cdot4\cdot3\cdot2=720\) फलन हैं।