Question
Mathematics Question on permutations and combinations
Number greater than 1000 but less than 4000 is formed using the digits 0, 1, 2, 3, 4 (repetition allowed). Their number is
A
125
B
105
C
375
D
625
Answer
375
Explanation
Solution
Required number of numbers = 3 × 5 × 5 × 5 = 375