No other book explains Remainder Theorem , Factorials , and Units Digit as clearly. The PDF version allows you to search for specific theorems using Ctrl+F, which is impossible in a physical book.
Second, shortcut techniques save precious minutes. A candidate who knows Vedic math or data interpretation tricks can solve 30 questions in the time others solve 15. This efficiency is what separates successful aspirants from the rest. sd yadav maths book pdf in english better