Inverse Trigonometric Functions Objective If sin-1(x2 – 7x + 12) = nπ, ∀ n ∈ I, then x = (a) -2 (b) 4 (c) -3 (d) 5 Ans (b) If 6sin-1 (x2 – 6x + 8.5) = π, then x is equal to (a) 1 (b) 2 (c) 3 (d) 8 Ans (b) sin-1 (1 – x) – 2sin-1 x […]
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12th Math Chapter 1 Objective in English
Relations and Functions Objective The function f : A → B defined by f(x) = 4x + 7, x ∈ R is (a) one-one (b) Many-one (c) Odd (d) Even Ans (a) The smallest integer function f(x) = [x] is (a) One-one (b) Many-one (c) Both (a) & (b) (d) None of these Ans (b) […]
12th Math Chapter 2 Objective in hindi
प्रतिलोम त्रिकोणमितीय फलन Objective यदि sin-1(1 – x) – 2sin-1x = π2 तब x का मान है : (a) 0 (b) 0, −12 (c) 0, 12 (d) कोई नहीं Ans (a) sin-1x + cot-1x का मान है : (a) π (b) π/2 (c) −π/2 (d) 1 Ans (b) cos-1(4×3 – 3x) का सरल रूप है : (a) 3sin-1x (b) 3cos-1x (c) π […]
12th Math Chapter 1 Objective in Hindi
सम्बन्ध एवं फलन Objective यदि A = {a, b, c}, B = {1, 2, 3) और f = {(a, 1) (b, 2) (c, 2)} तो f कैसा फलन है? (a) एकैक अंत:क्षेपी (b) अनेकैक अंतःक्षेपी (c) अनेकैक आच्छादक (d) एकैक आच्छादक Ans (b) यदि f : R → R जहाँ f(x) = 3x तो कैसा […]
English class 12 chapter 5 subjective
Ideas that have Helped Mankind Subjective How with modern civilization the means of enjoyment increased ? Ans – The means of enjoyment such as poetry,music, wine, football became available to us with the growth of civilization. But the question is whether they have made us happier than earlier. How has civilization taught us to be […]
English class 12 Chapter 4 subjective
I Have a Dream subjective What does his speech reveal ? Ans – His speech proves that he is a great orator and can stir the mind and heart of all the Negro of America. His commitment to the rights of people and his concern for their uplift, have got revealed in his speech. What […]
English class 12 Chapter 3 subjective
A Pinch of Snuff Subjective What is the relation between Sohanlal Ratiram and Ratiram ? Ans- They are father and son. Sohanlal Ratiram is the party Boss in Delhi. In what dress did the writer go to the Minister along with Nanukaka ? Ans- The writer went there in a Jodhpur coat. Nanukaka had tied […]
English class 12 Chapter 2 subjective
Bharat is My Home Subjective long did Dr.Zakir Husain live? Ans – Dr.Zakir Husain lived for 72 years. He was born in 8 February 1897 and died in 3 May 1969. On what occasion did Zakir Hussain deliver this speech ? Ans – He delivered this speech in 1967 after taking the Oath as president […]
English class 12 Chapter 1 subjective
Indian Civilization and Culture Subjective Why is he thankful to modern civilization? Ans. He thankful to the modern civilization for teaching him to discard it at any costs. Why does Gandhi Ji say that “mind is a restless bird”? What makes mind restless? Ans. Gandhiji says that needs of mind are unending and indulgence of […]
12th Biology Chapter 2 Subjective
Sexual Reproduction in Flowering Plants Subjective What do you mean by protandry? Give its advantages? Ans – Maturation of androecium (male part of flower) before maturation of Gynoecium (female part of flower) is known as protandry. Ex : Salvia. This condition prevents self pollination. State the function of filiform apparatus found in mature embryo sac of […]