Question 31
Back to Exercise
How many different 4-letter arrangements can be made from the letters of BANANA?
- A 30
- B 360
- C 38 Correct
- D 60
Correct Answer: Option C
Available: A × 3, N × 2, B × 1
AAA + N or B: 2 × 4 = 8
AANN: 4!/(2! 2!) = 6
AANB: 4!/2! = 12
ANNB: 4!/2! = 12
Total = 38
Trap: 360 = 6P4 treats all letters as different.
Answer: 38
Discussion & Comments 0
Share your method, a shortcut, or ask about a step you didn't follow.
No comments yet. Be the first to share your solution!