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Q.

There are a total of  ‘90,000,000’ 8-digit numbers.


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a

True

b

False  

answer is A.

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Detailed Solution

Given to find the number of 8-digit numbers.
We know that between the highest 8-digit number and the smallest 8-digit number are all the 8-digit numbers.
Thus, finding the highest and smallest 8-digit number respectively.
The highest 8-digit number is 99,999,999 and the smallest 8-digit number is 10,000,000.
Now, the total number of 8-digit numbers will be the difference of the highest and smallest 8-digit number plus one.
That is,
(99,999,999-10,000,000) +1 = 89,999,999 +1
= 90,000,000
Therefore, there are a total number of ‘90,000,000’ 8-digit numbers.
The given statement is true.
Hence, the correct option is 1.
 
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