Question 8
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How many numbers greater than 4,000 can be formed with the digits 3, 4, 5, 6, 7 using four different digits?
- A 96 Correct
- B 120
- C 72
- D 24
Correct Answer: Option A
First digit 4, 5, 6 or 7: 4 ways
Others: 4 × 3 × 2 = 24
4 × 24 = 96
Trap: 120 allows 3 to lead.
Answer: 96
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