{"id":4586,"date":"2026-04-11T07:14:20","date_gmt":"2026-04-11T07:14:20","guid":{"rendered":"https:\/\/ksquareinstitute.in\/blog\/?p=4586"},"modified":"2026-04-11T07:14:22","modified_gmt":"2026-04-11T07:14:22","slug":"class-10-maths-important-questions","status":"publish","type":"post","link":"https:\/\/ksquareinstitute.in\/blog\/class-10-maths-important-questions\/","title":{"rendered":"Top 30 Important Questions for Class 10 Physics Chemistry Maths (Exam Ready)"},"content":{"rendered":"\n
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Top Important Questions for Class 10 (P.C.M.)<\/h2>\n\n\n\n

If you are aiming to score high in board exams, these Class 10 Maths Important Questions<\/strong> combined with key Physics and Chemistry concepts will give you a strong advantage. This article is designed with exam-ready, NCERT-based, and PYQ-oriented questions<\/strong>, especially focusing on Maths where stepwise solving and clarity are crucial. These Class 10 Maths Important Questions<\/strong> are carefully selected to improve accuracy, speed, and conceptual understanding.<\/p>\n\n\n\n

This is a dense, board-level guide<\/strong> with proper explanations, numericals, and reasoning\u2014strictly avoiding repetition from lower classes.<\/p>\n\n\n\n

\n\n\n\n

Why These Class 10 Maths Important Questions Matter<\/h2>\n\n\n\n

Class 10 Maths is scoring but requires:<\/p>\n\n\n\n

    \n
  • Clear steps<\/li>\n\n\n\n
  • Proper formula usage<\/li>\n\n\n\n
  • Strong conceptual base<\/li>\n<\/ul>\n\n\n\n

    These Class 10 Maths Important Questions<\/strong> cover algebra, geometry, trigonometry, and mensuration\u2014ensuring complete preparation.<\/p>\n\n\n\n

    \n\n\n\n
    \"Class<\/figure>\n\n\n\n

    Physics Important Questions (Class 10)<\/h1>\n\n\n\n

    1. Calculate current if 120 C charge flows in 2 minutes<\/h3>\n\n\n\n

    Convert time: 2 min = 120 s
    I = Q\/t = 120\/120 = 1 A<\/strong><\/p>\n\n\n\n

    \n\n\n\n

    2. A resistor of 5 \u03a9 has current 3 A. Find voltage<\/h3>\n\n\n\n

    V = IR = 5\u00d73 = 15 V<\/strong><\/p>\n\n\n\n

    \n\n\n\n

    3. Define electric power and calculate if V = 10 V, I = 2 A<\/h3>\n\n\n\n

    P = VI = 10\u00d72 = 20 W<\/strong><\/p>\n\n\n\n

    \n\n\n\n

    4. Explain difference between series and parallel circuits<\/h3>\n\n\n\n

    Series \u2192 same current, higher resistance
    Parallel \u2192 same voltage, lower resistance<\/p>\n\n\n\n

    \n\n\n\n

    5. What is magnetic field?<\/h3>\n\n\n\n

    Region where magnetic force is experienced.<\/p>\n\n\n\n

    \n\n\n\n

    6. State Fleming\u2019s Right Hand Rule<\/h3>\n\n\n\n

    Used to find direction of induced current.<\/p>\n\n\n\n

    \n\n\n\n

    7. What is electromagnetic induction?<\/h3>\n\n\n\n

    Production of current due to changing magnetic field.<\/p>\n\n\n\n

    \n\n\n\n

    8. Define resistance and its SI unit<\/h3>\n\n\n\n

    Resistance opposes current, unit = Ohm.<\/p>\n\n\n\n

    \n\n\n\n

    9. What is electric motor?<\/h3>\n\n\n\n

    Converts electrical energy into mechanical energy.<\/p>\n\n\n\n

    \n\n\n\n

    10. What is electric generator?<\/h3>\n\n\n\n

    Converts mechanical energy into electrical energy.<\/p>\n\n\n\n

    \n\n\n\n

    Chemistry Important Questions (Class 10)<\/h1>\n\n\n\n

    11. What is a chemical reaction?<\/h3>\n\n\n\n

    Process forming new substances.<\/p>\n\n\n\n

    \n\n\n\n

    12. Balance: Zn + HCl \u2192 ZnCl\u2082 + H\u2082<\/h3>\n\n\n\n

    Balanced: Zn + 2HCl \u2192 ZnCl\u2082 + H\u2082<\/p>\n\n\n\n

    \n\n\n\n

    13. Define oxidation and reduction<\/h3>\n\n\n\n

    Oxidation = loss, reduction = gain of electrons.<\/p>\n\n\n\n

    \n\n\n\n

    14. What is pH?<\/h3>\n\n\n\n

    Measure of acidity\/basicity.<\/p>\n\n\n\n

    \n\n\n\n

    15. What are acids and bases?<\/h3>\n\n\n\n

    Acids release H\u207a, bases release OH\u207b.<\/p>\n\n\n\n

    \n\n\n\n

    16. What is corrosion?<\/h3>\n\n\n\n

    Damage of metals due to reaction.<\/p>\n\n\n\n

    \n\n\n\n

    17. What are hydrocarbons?<\/h3>\n\n\n\n

    Compounds of carbon and hydrogen.<\/p>\n\n\n\n

    \n\n\n\n

    18. What is homologous series?<\/h3>\n\n\n\n

    Same functional group compounds.<\/p>\n\n\n\n

    \n\n\n\n

    19. What is ethanol?<\/h3>\n\n\n\n

    Alcohol used as fuel and solvent.<\/p>\n\n\n\n

    \n\n\n\n

    20. What is soap and detergent?<\/h3>\n\n\n\n

    Cleaning agents.<\/p>\n\n\n\n

    \n\n\n\n

    Mathematics Important Questions (Class 10)<\/h1>\n\n\n\n

    21. Solve quadratic equation: x\u00b2 \u2212 5x + 6 = 0<\/h3>\n\n\n\n

    Factorize: (x \u2212 2)(x \u2212 3) = 0
    x = 2, 3<\/p>\n\n\n\n

    \n\n\n\n

    22. Find roots using quadratic formula: x\u00b2 \u2212 4x + 3 = 0<\/h3>\n\n\n\n

    x = [4 \u00b1 \u221a(16 \u2212 12)]\/2 = [4 \u00b1 2]\/2
    x = 3, 1<\/p>\n\n\n\n

    \n\n\n\n

    23. Prove: \u221a5 is irrational<\/h3>\n\n\n\n

    Assume \u221a5 = p\/q \u2192 leads to contradiction \u2192 hence irrational.<\/p>\n\n\n\n

    \n\n\n\n

    24. Find HCF using Euclid\u2019s algorithm: 135, 225<\/h3>\n\n\n\n

    225 = 135\u00d71 + 90
    135 = 90\u00d71 + 45
    90 = 45\u00d72 + 0
    HCF = 45<\/strong><\/p>\n\n\n\n

    \n\n\n\n

    25. Find distance between (2,3) and (6,7)<\/h3>\n\n\n\n

    Distance = \u221a[(6\u22122)\u00b2 + (7\u22123)\u00b2]
    = \u221a(16 + 16) = \u221a32 = 4\u221a2<\/strong><\/p>\n\n\n\n

    \n\n\n\n

    26. Find area of circle (r = 7 cm)<\/h3>\n\n\n\n

    Area = \u03c0r\u00b2 = 22\/7 \u00d7 49 = 154 cm\u00b2<\/strong><\/p>\n\n\n\n

    \n\n\n\n

    27. Evaluate sin\u00b2\u03b8 + cos\u00b2\u03b8<\/h3>\n\n\n\n

    = 1<\/strong> (identity)<\/p>\n\n\n\n

    \n\n\n\n

    28. Find surface area of sphere (r = 3 cm)<\/h3>\n\n\n\n

    = 4\u03c0r\u00b2 = 4\u00d7\u03c0\u00d79 = 36\u03c0 cm\u00b2<\/strong><\/p>\n\n\n\n

    \n\n\n\n

    29. Find mean of data: 2, 4, 6, 8<\/h3>\n\n\n\n

    Mean = (2+4+6+8)\/4 = 5<\/strong><\/p>\n\n\n\n

    \n\n\n\n

    30. Find probability of getting head in coin toss<\/h3>\n\n\n\n

    = 1\/2<\/strong><\/p>\n\n\n\n

    \n\n\n\n

    Why These Class 10 Maths Important Questions Are Exam-Ready<\/h2>\n\n\n\n

    These Class 10 Maths Important Questions<\/strong> include:<\/p>\n\n\n\n

      \n
    • Quadratic equations<\/li>\n\n\n\n
    • Geometry formulas<\/li>\n\n\n\n
    • Trigonometric identities<\/li>\n\n\n\n
    • Statistics & probability<\/li>\n<\/ul>\n\n\n\n

      They match real board exam patterns<\/strong>, making them highly effective.<\/p>\n\n\n\n

      \n\n\n\n

      Final Revision Strategy<\/h2>\n\n\n\n

      Revise these Class 10 Maths Important Questions<\/strong> multiple times. Focus on stepwise solving, formulas, and accuracy. Practice writing clean and structured answers.<\/p>\n\n\n\n

      \n\n\n\n

      FAQ \u2013 Class 10 Maths Important Questions<\/h2>\n\n\n\n

      Q1. Are these Class 10 Maths Important Questions enough?<\/h3>\n\n\n\n

      Yes, they cover high-weightage topics.<\/p>\n\n\n\n

      Q2. Is stepwise solving important?<\/h3>\n\n\n\n

      Yes, marks are given for steps.<\/p>\n\n\n\n

      Q3. Are these NCERT-based?<\/h3>\n\n\n\n

      Yes, fully aligned.<\/p>\n\n\n\n

      Q4. How to score 90%+?<\/h3>\n\n\n\n

      Practice + clarity.<\/p>\n\n\n\n

      Q5. Are these useful for boards?<\/h3>\n\n\n\n

      Yes, fully exam-ready.<\/p>\n\n\n\n

      <\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

      Top Important Questions for Class 10 (P.C.M.) If you are aiming to score high in board exams, these Class 10 Maths Important Questions combined with key Physics and Chemistry concepts will give you a strong advantage. This article is designed with exam-ready, NCERT-based, and PYQ-oriented questions, especially focusing on Maths where stepwise solving and clarity […]<\/p>\n","protected":false},"author":1,"featured_media":4568,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[127],"tags":[1060,1056,1053,1059,1055,1057,1054,1061,1058],"class_list":["post-4586","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-free-study-material","tag-class-10-algebra-questions","tag-class-10-maths-exam-questions","tag-class-10-maths-important-questions","tag-class-10-maths-practice-questions","tag-class-10-maths-pyq-questions","tag-class-10-maths-question-answer","tag-class-10-maths-questions","tag-class-10-trigonometry-questions","tag-important-questions-class-10-maths"],"blocksy_meta":{"page_structure_type":"type-1","styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":6}},"_links":{"self":[{"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/posts\/4586","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/comments?post=4586"}],"version-history":[{"count":1,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/posts\/4586\/revisions"}],"predecessor-version":[{"id":4587,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/posts\/4586\/revisions\/4587"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/media\/4568"}],"wp:attachment":[{"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/media?parent=4586"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/categories?post=4586"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/tags?post=4586"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}