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Number System — Maths STD 6 — Question

Maharashtra BoardEnglish MediumSTD 6MathsNumber System2 Marks
Question
How many 7-digit numbers are there in all?
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Answer

The largest 7-digit number = 9999999
The smallest 7-digit number = 1000000
$\therefore$ Total number of 7-digit numbers = (9999999 - 1000000) + 1
= 8999999 + 1
= 9000000
= Ninety lakhs

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