How many ways can 10 letters be posted in 5 post boxes, if each of the post boxes can take more than 10 letters?
A. 510
B. 105
C. 10P5
D. 10C5
Answer: Option A
Solution(By Examveda Team)
Each of the 10 letters can be posted in any of the 5 boxes. So, the first letter has 5 options, so does the second letter and so on and so forth for all of the 10 letters. i.e.5 × 5 × 5 × . . . . × 5 (up-to 10 times). = 510Related Questions on Permutation and Combination
A. 3! 4! 8! 4!
B. 3! 8!
C. 4! 4!
D. 8! 4! 4!
A. 7560,60,1680
B. 7890,120,650
C. 7650,200,4444
D. None of these
A. 8 × 9!
B. 8 × 8!
C. 7 × 9!
D. 9 × 8!
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