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JEE Main 202118 MarchMorning Shift

Exam: JEE Main
Year: 2021
Date: 18 March
Shift: Morning Shift
Subject: Mathematics
Chapter: Permutation and Combination

JEE Main 2021 · 18 March · Morning Shift · Mathematics · Permutation and Combination

The number of times the digit 3 will be written when listing the...

The number of times the digit

3

will be written when listing the integers from

1

to

1000

is

Correct answer

300

Step-by-step solution

${3}_{- -} = 10 \times 10 = 100$

$_{3}_{-} = 10 \times 10 = 100$

$- - 3 = 10 \times 10 = 100$

Total is $300$ .

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