R.s. Aggarwal -

If you are starting from scratch or have a weak math background, R.S. Aggarwal is superior . If you are aiming for the IIMs (CAT), supplement with Arun Sharma.

: A must-have for banking (IBPS, SBI PO), SSC (CGL, CHSL), Railway, and Insurance exams. A Modern Approach to Verbal & Non-Verbal Reasoning R.S. Aggarwal

He authored over 25 books, but his magnum opus remains Quantitative Aptitude for Competitive Examinations . If you are starting from scratch or have

Exams like the UPSC Civil Services, SSC (Staff Selection Commission), Bank PO, and later, CAT (Common Admission Test) and MBA entrances, required a strong command over quantitative reasoning. However, there was no standardized resource for this. : A must-have for banking (IBPS, SBI PO),

Research and community consensus indicate that R.S. Aggarwal's books are "practice-heavy," making them ideal for quick revision and building speed for CBSE board exams .

Dr. Aggarwal was a pioneer of Vedic Maths-inspired shortcuts. In the chapter on Percentage or Simplification , he didn't just teach the formula; he taught the "Tick" method and the "Digit Sum" method (Roots of digital root). This saves precious seconds in an exam.