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AIR FORCE SCHOOLS COMMON PRE-BOARD EXAMINATION 2021-22 Term I CLASS X Please check that this question paper contains 08 printed pages. Please check that this question paper contains 50 questions Subject Mathematics Time: 90 minutes Max. Marks : 40 General instructions : 1. The question paper contains three parts A, B and C 2. Section A consists of 20 questions of 1 mark each. Any 16 questions are to attempted. 3. Section B consists of 20 questions of 1 mark each. Any 16 questions are to attempted. 4. Section C consists of 10 questions based on two case Studies. Attempt any 8 questions. 5. There is no negative marking. SECTION A (Q. 1 to Q. 20 Attempt any 16) 1. A fair die is thrown once. The probability of getting either a composite number or a prime number, is (a) 1 6 (b) 5 6 (c) 1 (d) 0 2. The area of the largest triangle, that can be inscribed in a semicircle of radius of radius r units, is (a) 2 1 (b) 2 1 (c) 2 2 (d) 2 2 (c) 1 (d) 0 3. Value of 9 2 9 2 is (a) 9 (b) -9 Page 1 of 8
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