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 PHYSICS CLASS 12 PHYSICS IMPORTANT QUESTIONS CHAPTER-WISE CBSE AND STATE BOARDS

 SOCIAL SCIENCE BOARD IMPORTANT QUESTIONS FOR CLASS X WITH ANSWERS QUESTION PAPER CODE 32/S/1 Question 1: Which of the following food products came to Europe and Asia after Christopher Columbus’s discovery of America? a) Wheat b) Brinjal c) Potatoes d) Brinjal  Answer: c) Potatoes Question 2: How  did print culture contribute to the development of a sense of Indian nationalism? Choose the most appropriate option from the following : 1 (A) By providing a platform to western culture (B) By propagating European languages (C) By providing a platform for shared feelings of oppression (D) By propagating the supremacy of imperialism Answer C)  By providing a platform for shared feelings of oppression Question 3:  Look at the picture given below. What does the image of Bharat Mata signify? Choose the correct option: (A) Diversity and heritage (B) Spiritualism and enlightenment (C) Power and authority (D) Nationalism and democracy Answer B Question 4:  Arrange the ...

 CHAPTER 13 STATISTICS & CHAPTER 14 CBSE CLASS 10 MATH IMPORTANT BOARD QUESTIONS Class 10 Statistics Formulas Mean = (Sum of observations) / (Number of observations) Mean (Discrete data) = (Σfᵢxᵢ) / (Σfᵢ) Mean (Step Deviation Method) = a + [ (Σfᵢuᵢ) / (Σfᵢ) ] × h where uᵢ = (xᵢ − a) / h Mean (Assumed Mean Method) = a + (Σfᵢdᵢ) / (Σfᵢ) where dᵢ = xᵢ − a Mean (Grouped data) = (Σfᵢxᵢ) / (Σfᵢ) Median (Ungrouped data) = value of (n+1)/2 th observation Median (Grouped data) = l + [ ( (n/2 − cf) / f ) × h ] Mode (Grouped data) = l + [ ( (f₁ − f₀) / (2f₁ − f₀ − f₂) ) × h ] Relation between Mean, Median and Mode: Mode = 3Median − 2Mean Cumulative Frequency (Less than type) C.F. = Previous C.F. + frequency Class Mark (xᵢ) = (Upper limit + Lower limit) / 2 Class Width (h) = Upper limit − Lower limit Mean Median Mode F...

 CHAPTER 10 to CHAPTER 12 IMPORTANT QUESTIONS FOR CBSE CLASS X 2026                                                   CHAPTER 10 CIRCLE Question 1:  Prove that the radius is perpendicular to the tangent. Question 2:  A tangent to a circle intersects the circle at ________ point(s).   Question 3:  The common point of a tangent to a circle and the circle is called ____________. Question 4:  The lengths of tangents drawn from an external point to a circle are equal. Question 5: Two tangents TP and TQ are drawn to a circle with center O from external point T. Prove that ㄥPTQ = 2ㄥOPQ Question 6:  From a point Q, the length of the tangent to a circle is 24 cm, and the distance of Q from the center is 25 cm. The radius of the circle is (i) 7 cm   (ii) 12 cm  (iii) 15cm (iv) 24.5cm Question 7:  Prove that the t...