This is an English-medium set of two Class 9 mathematics books by R.D. Sharma, published by Dhanpat Rai Publications for CBSE students, 2026-27 edition. The set pairs the main textbook, Mathematics Class IX, with its companion practice book, MCQs in Mathematics Class IX. The textbook builds concepts chapter by chapter, and the MCQ book strengthens them through revision of key concepts and objective practice. The MCQ book covers the question formats now common in CBSE exams: multiple choice, case study based, and assertion-reason type questions. Key Features: Written in English (English medium) for CBSE Class 9 students Set of 2 books: Mathematics Class IX + MCQs in Mathematics Class IX By R.D. Sharma, one of the most widely used authors for CBSE mathematics Main textbook for chapterwise concept building and practice Revision of key concepts in the MCQ book for quick recap Multiple choice questions for thorough objective practice Case study based questions as per the current CBSE exam pattern Assertion-reason type questions to build reasoning and application skills 2026-27 edition from Dhanpat Rai Publications यह सेट "मैथमेटिक्स कक्षा 9" एवं "MCQs इन मैथमेटिक्स कक्षा 9" आर.डी. शर्मा द्वारा लिखित, धनपत राय पब्लिकेशंस द्वारा प्रकाशित है और अंग्रेजी भाषा में है। यह CBSE कक्षा 9 के विद्यार्थियों के लिए 2026-27 संस्करण है। मुख्य पुस्तक से अवधारणाओं की समझ विकसित होती है। MCQ पुस्तक में मुख्य अवधारणाओं का पुनरावलोकन, बहुविकल्पीय प्रश्न, केस स्टडी आधारित प्रश्न तथा अभिकथन-कारण (Assertion-Reason) प्रकार के प्रश्न दिए गए हैं।