Sets (Ex – 1.5) Question 1.Let U = {1, 2, 3, 4, 5, 6, 7, 8, 9}, A = { 1, 2, 3, 4}, B = (2,4,6,8} and C = {3,4,5,6}. Find(i) A’(ii) B’(iii) (A ∪ C)’(iv) (A ∪B)’(v) (A’)’(vi) (B – C)’ Solution.Here U = {1, 2, 3, 4, 5, 6, 7, 8, 9}, A = {1, 2, 3, 4}, […]
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Sets (Ex – 1.4) Question 1.Find the union of each of the following pairs of sets:(i) X = {1 ,3, 5}, Y= {1, 2, 3}(ii) A = {a, e, i, o, u}, B = {a, b, c}(iii) A = {x: x is a natural number and multiple of 3}B = {x: x is a natural number less than
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Sets (Ex – 1.3) Question 1.Make correct statements by filling in the symbols ⊂ or ⊄ in the blank spaces:(i) {2, 3, 4} …{1, 2, 3, 4, 5}(ii) {a, b, c}… {b, c, d}(iii) {x: x is a student of Class XI of your school} … {x: x student of your school}(iv) {x : x is a circle in
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Sets (Ex – 1.2) Question 1.Which of the following are examples of the null set?(i) Set of odd natural numbers divisible by 2(ii) Set of even prime numbers(iii) {x: x is a natural number, x ≤ 5 and x > 7}(iv) {y: y is a point common to any two parallel lines} Solution.(i) Set of odd natural numbers divisible by
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Sets (Ex – 1.1) Question 1.Which of the following are sets? Justify your answer.(i) The collection of all the months of a year beginning with the letter J.(ii) The collection of ten most talented writers of India.(iii) A team of eleven best-cricket batsmen of the world.(iv) The collection of all boys in your class.(v) The collection of all natural numbers
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The Tale of Melon City The Tale of Melon City Reading with insight Question 1.Narrate ‘The Tale of Melon City’ in your own words. Answer:The ruler of the City State pretended to be justice loving and gentle. (But he was brainless and dispolite) Once he ordered a grand city gate to be built over the main
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Birth Birth Reading with insight Question 1.“I have done something; oh, God! I’ve done something real at last”. Why does Andrew say this? What does it mean? Answer:Andrew Manson, just returned from a medical college was quite new in medical practice. He was rather new in every experience of worldly life. He had opened his own
The Ghat of the Only World The Ghat of the Only World Reading with insight Question 1.What impressions of Shahid do you gather from the piece? Answer:Introduction. Shahid came to befriend with the writer Amitav during his last days of life. Shahid was basically an Indian like the author. As the very name suggests, he
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Mother’s Day QUESTIONS FROM TEXTBOOK SOLVED A. Reading With Insight Question 1:This play, written in the 1950s, is a humorous and satirical depiction of the status of the mother in the family. Answer: Question 2:If you were to write these issues today, what are some of the incidents, examples and problems that you would think
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Albert Einstein at School A. Reading With Insight Question 1:What do you understand of Einstein’s nature from his conversations with his history teacher, his mathematics teacher and the head teacher? Answer:Exchanges between Einstein and History teacher show that Einstein is honest and truthful. He admits his shortcomings frankly. He has firm and well-defined opinions. He
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