JEE PYQ: Permutation And Combination Question 5
Question 5 - 2021 (18 Mar Shift 1)
The number of times the digit 3 will be written when listing the integers from 1 to 1000 is
Show Answer
Answer: 300
Solution
3 at units place: $10 \times 10 = 100$. 3 at tens place: $10 \times 10 = 100$. 3 at hundreds place: $10 \times 10 = 100$. Total $= 300$.