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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 $= 300$.


Learning Progress: Step 5 of 49 in this series