Counting Concept 1. Highest power of a number in N! 2. Number of zeros in the factorial of a number 3. First non-zero digit in N! 4. First two non-zero digit in N! Previous Topic Next Topic Exercise Other Topics ▾ Percentage Mixture & Alligation Ratio & Proportion Races & Circular Motion Partnership & Share Average Profit & Loss LCM & HCF Simple Interest Compound Interest Time and Work Wages Pipe & Cistern Time Speed & Distance Boat & Stream Unit Digit Remainder Theorem Number of Zeros AP GP & HP Factors Power Indices & Surds Divisibility Simplification Permutation & Combination Probability Counting Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Captcha loading...In order to pass the CAPTCHA please enable JavaScript.