How many 6 digit numbers are there in all

Asked by admin @ 10/08/2021 in Math viewed by 451 People

How many 6 digit number are there in all

Answered by admin @ 10/08/2021

There are 900,000 6-digit numbers in all.

Explanation:

The least 6-digit number = 100,000

The greatest 6-digit number = 999,999

IN terms of arithmetic progression , first term : a= 100,000

Last term = 999,999

common difference : d= 1

Formula for nth term : $a_n=a+(n+1)d$

Tet n be the total 6 digit number .

Then, $999999=100000+(n+1)(1)$

⇒ $n+1=899999$

⇒ $n=900000$

Hence, there are 900,000 6-digit numbers in all.

# Learn more :

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