Quantitative reasoning is one of the top skills any business executive can have. While some business leaders have stronger innate abilities with this skill, learning to analyze data, derive ...

Examples: (1) 475 is divisible by 25 but not by 125. (2) 465 is divisible by 5 but not by a higher power of 5. As 4 + 6 + 5 = 15, it is divisible by 3 though. (3) To check for divisibility of ...