Determining number of digitsThis post is part of the
Special Questions Directory, which focuses on quantitative topics that are often neglected or not covered by conventional sources but are still tested on the GMAT. Many of the questions in this directory are above-average difficulty and can be challenging, but they are great practice for improving your problem-solving abilities.[/warning]
Questions that fall into this category involve determining the number of digits in the product of integers, factorial of an integer, powers of integers, etc. Those questions can be tough and tricky. The list below is in increasing level of difficulty of questions.
The questions in this post involve determining the number of digits in products of integers, factorials, powers of integers, and more. These types of questions can be tough and tricky, but with practice and perseverance, you can improve your quantitative reasoning skills and tackle even the most challenging problems.
The questions are listed below in increasing order of difficulty. Take your time to work through each question and try different methods until you find the solution. Don't be discouraged if you struggle with some of the questions - remember that practice is key to improving your problem-solving abilities.
Problem Solving:Data Sufficiency: