Permutation Combination Question 5
Question 5 - 25 January - Shift 2
The number of numbers, strictly between 5000 and 10000 can be formed using the digits 1,3,5,7,9 without repetition, is
(1) 6
(2) 12
(3) 120
(4) 72
Show Answer
Answer: (4)
Solution:
Formula: Combinations of Alike Objects
Numbers between $5000 ; ; \text{and} ; ; 10000$
Using digits 1, 3, 5, 7, 9
Total Numbers $=3 \times 4 \times 3 \times 2=72$
