Question

How many four digt number are between 999 and 3000?

Answer 1

3001 is the right answer

Answer 2

Answer:

Step-by-step explanation:

Using formula tn =a+(n-1) d

1000,1001..............,3000

Therefore,

A=1000, tn=3000., d=1

Tn =a+(n-1)d

3000=1000+(n-1) 1

3000=1000+(n-1)

2000=n-1

2000+1=n

2001=n