Easy INTEGER +4 / -1 PYQ · JEE Mains 2021

The number of times the digit 3 will be written when listing the integers from 1 to 1000 is :

Answer (integer) 300

Solution

In single digit numbers = 1 <br><br>In double digit numbers = 10 + 9 = 19 <br><br>In triple digit numbers = 100 + 90 + 90 = 280 <br><br>Total = 300 times

About this question

Subject: Mathematics · Chapter: Permutations and Combinations · Topic: Fundamental Counting Principle

This question is part of PrepWiser's free JEE Main question bank. 135 more solved questions on Permutations and Combinations are available — start with the harder ones if your accuracy is >70%.

Drill 25 more like these. Every day. Free.

PrepWiser turns these solved questions into a daily practice loop. Chapter-wise drills, full mocks, AI doubt chat. No auto-renew.

Start free →