Book for Improving Numerical Ability and Speed for SBI PO Exam

Introduction
The SBI PO exam is a highly competitive exam that requires candidates to have a strong numerical ability and speed. To excel in this exam, candidates need to practice and enhance their numerical skills. There are several books available in the market that provide tips, tricks, and practice exercises specifically designed for improving numerical ability and speed for the SBI PO exam.

Book Recommendation: "Quantitative Aptitude for Competitive Examinations" by R.S. Aggarwal
One highly recommended book for improving numerical ability and speed for the SBI PO exam is "Quantitative Aptitude for Competitive Examinations" by R.S. Aggarwal. This book is widely used by aspirants preparing for various competitive exams, including banking exams.

Key Features of the Book:

1. Comprehensive Coverage: The book covers a wide range of topics such as Number System, HCF and LCM, Simplification, Ratio and Proportion, Average, Percentage, Time and Work, Time, Speed and Distance, and many more. It provides a comprehensive understanding of the concepts and formulas required for solving numerical problems.

2. Conceptual Clarity: The book explains concepts in a simple and easy-to-understand language. It provides step-by-step solutions to various types of problems, making it easier for the readers to grasp the underlying concepts.

3. Practice Exercises: The book contains a large number of practice exercises that are designed to help candidates enhance their numerical ability and speed. These exercises are categorized into different difficulty levels, enabling candidates to gradually progress from basic to advanced level problems.

4. Shortcut Techniques: The book also provides various shortcut techniques and tips to solve numerical problems quickly and accurately. These techniques help in improving the speed and efficiency of candidates while solving problems.

5. Previous Year Questions: The book includes a collection of previous year's SBI PO exam questions, allowing candidates to familiarize themselves with the exam pattern and question types.

Conclusion
"Quantitative Aptitude for Competitive Examinations" by R.S. Aggarwal is a highly recommended book for improving numerical ability and speed for the SBI PO exam. It provides comprehensive coverage of topics, conceptual clarity, practice exercises, shortcut techniques, and previous year's questions. By studying and practicing from this book, candidates can enhance their numerical ability and speed, which will ultimately help them excel in the SBI PO exam.