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Q.

There are a total of ‘9,000,000’ 7-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 7-digit numbers.
We know that between the highest 7-digit number and the smallest 7-digit number are all the 7-digit numbers.
Thus, finding the highest and smallest 7-digit number respectively
The highest 7-digit number is 9,999,999 and the smallest 7-digit number is 1,000,000.
Now, the total number of 7-digit numbers will be the difference of the highest and smallest 7-digit number plus one.
That is, (9,999,999-1,000,000) +1 = 8,999,999 +1
= 9,000,000
Therefore, there are a total number of ‘9,000,000’ 7-digit numbers.
The given statement is true.
Hence, the correct option is 1.

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