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This book has been the result of my study and teaching experience of this subject. We have tried to make the subject logical, quick and easy to understand. We have introduced diagrammatic information and the text has been written in easy understandable language. We are hopeful that these added features the book would serve the purpose of the students in a more benefitting manner and useful for all types of competitive examination.
⚠️ WARNING (California Proposition 65):
This product may contain chemicals known to the State of California to cause cancer,
birth defects, or other reproductive harm.
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