Question

How many times can we write 0 in hundred place between 4000 to 4999?

Answer 1

Answer:

There are 1000 number from 4000–4999 both inclusive. Since, 4 is already fixed in thousands position, we have 9 possibilities (0–9) in hundreds. As we cannot use the same number again, we have 8 possibilities in tenths position and similarly 7 possibilities in units.04-Apr-2018