Question 33
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A code is 2 letters (A–Z) followed by 3 digits, with no letter or digit repeated. How many codes are possible?
- A 6,76,000
- B 1,17,000
- C 3,12,000
- D 4,68,000 Correct
Correct Answer: Option D
Letters: 26 × 25 = 650
Digits: 10 × 9 × 8 = 720
650 × 720 = 4,68,000
Trap: 6,76,000 allows repeats.
Answer: 4,68,000
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