This book is S. Chand's New Mathematics for Class X by H.K. Dass, Dr. Rama Verma, Bhagwat Swarup Sharma and Rajnish Verma, published by S. Chand School as per the CBSE syllabus for the 2026-27 session. It is an English medium (अंग्रेज़ी माध्यम) book, written entirely in English (Roman script), with no Hindi content. The book covers the complete Class 10 mathematics course — real numbers, polynomials, pair of linear equations in two variables, quadratic equations, arithmetic progressions, triangles, coordinate geometry, introduction to trigonometry and its applications, circles, areas related to circles, surface areas and volumes, statistics and probability. Each chapter gives clear theory with solved examples, the NCERT textbook and NCERT exemplar fully solved, case studies, competency-based questions, Assertion-Reason questions, and chapterwise worksheets of true/false, fill in the blanks and MCQs as activities. Key Features: English medium book — complete content written in English (Roman script), no Hindi content By H.K. Dass, Dr. Rama Verma, Bhagwat Swarup Sharma and Rajnish Verma; published by S. Chand School As per the CBSE syllabus for Class 10 (Class X) Mathematics, 2026-27 session NCERT Textbook fully solved NCERT Exemplar fully solved Case studies included Competency-based questions included Assertion-Reason questions included Activities — chapterwise worksheets of true/false, fill in the blanks and MCQs Covers real numbers, polynomials and pair of linear equations in two variables Covers quadratic equations and arithmetic progressions Covers triangles, circles and coordinate geometry Covers introduction to trigonometry and its applications Covers areas related to circles, surface areas and volumes Covers statistics and probability Suitable for CBSE Class 10 board exam preparation 'S. Chand's New Mathematics for Class X' एच.के. दास, डॉ. रमा वर्मा, भगवत स्वरूप शर्मा एवं रजनीश वर्मा द्वारा लिखी गई है और S. Chand School द्वारा प्रकाशित है। यह पुस्तक सत्र 2026-27 हेतु CBSE कक्षा 10 के गणित (Mathematics) विषय के लिए CBSE पाठ्यक्रम के अनुसार तैयार की गई है। इसमें वास्तविक संख्याएँ, बहुपद, दो चर वाले रैखिक समीकरण युग्म, द्विघात समीकरण, समांतर श्रेढ़ी, त्रिभुज, निर्देशांक ज्यामिति, त्रिकोणमिति एवं इसके अनुप्रयोग, वृत्त, वृत्तों से संबंधित क्षेत्रफल, पृष्ठीय क्षेत्रफल एवं आयतन, सांख्यिकी तथा प्रायिकता को कवर किया गया है, साथ ही NCERT पाठ्यपुस्तक एवं exemplar के पूर्ण हल, केस स्टडी, योग्यता आधारित प्रश्न, Assertion-Reason प्रश्न तथा अध्यायवार वर्कशीट भी दी गई हैं। ध्यान दें: यह पुस्तक पूर्णतः अंग्रेज़ी भाषा एवं रोमन लिपि में है, हिन्दी में नहीं।