Question 51
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In how many ways can 5 people stand in a row if A and B must occupy the two ends?
- A 12 Correct
- B 24
- C 6
- D 48
Correct Answer: Option A
A and B at the ends: 2 ways
Others in the middle: 3! = 6
2 × 6 = 12
Trap: 6 fixes A on the left.
Answer: 12
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