Question

The number of numbers lying between 10 and thousand can be formed with the digits 2 3 4 0 8 9 is

Answer 1

Answer:

2 digit numbers

total number - 0 at 10th place

= 6 × 6 - 6 = 30

3 digit numbers

total number - 0 at 100th place

= 6 × 6 × 6 - 6 × 6 = 180

So total numbers = 180 + 30 = 210