Model Question Paper Mathematics Class XII

Model Question Paper Mathematics Class XII. Time Allowed : 3 hours Max: Marks: 100. General Instructions (i) The Question Paper consists of three parts A, B and C. Each Question of each part is compulsory. (ii) Part A. Question number 1 to 20 are of 1 mark each. (iii) Part B. Question number 21 to 31 are of 4 marks each (iv) Question number 32 to 37 are of 6 marks each Part A. Choose the correct answer in each of the questions from 1 to 20. Each of these Question contain 4 options with just one correct option. 1. Let N be the set of natural numbers and R be the relation in N defined as R = {(a, b) : a = b 2, b > 6}. Then (A) (2, 4) R (B) (3, 8) R. (C) (6, 8) R (D) (8, 7) R. 2. If sin 1 x = y, then . (A) 0 y (B) y . 2 2.. (C) 0 < y < (D) < y<. 2 2. 1 . 3. sin sin 1 ( ) is equal to 3 2 . 1 1. (A) (B). 2 3. 1.

Find the probabil-ity that only one of them will be selected. Part-C 32. Obtain the inverse of the following matrix using elementary operations. 01 2 A123 31 1 ⎛⎞ =⎜⎟ ⎜⎟ ⎝⎠ OR If 23 5 A32 4 11 2 ⎛⎞− =−⎜⎟ ⎜⎟ ⎝⎠−, find A–1. Using A–1, solve the …

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