How many numbers lying between 10 and 1000 can be formed from the digits 1,2,3,4,5,6,7,8,9 (repetition is allowed)
A. 1024
B. 810
C. 2346
D. None of these
How many numbers lying between 10 and 1000 can be formed from the digits 1,2,3,4,5,6,7,8,9 (repetition is allowed)
A. 1024
B. 810
C. 2346
D. None of these