Question

How many four digits number have 9 in thousands place and 8 in tens place

Answer 1

Answer:

So there are 4 digits ones ,tens, hundred and thousand . Now as per question ... So this place can be filled by 9 ways ( any digit between 1–9 ).

1 vote

So there are 4 digits ones ,tens, hundred and thousand . Now as per question only 9 can occupy ... More

2 votes

There are [math]9000[/math] 4-digit numbers. [math]\frac{1}{10}[/math]-th of them

Answer 2

Answer:

I don't know if you know too answer do