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MOUNT CARMEL SCHOOL PREBOARD EXAMINATION 2020-2021 MATHEMATICS CLASS- X TIME -2 1/2HRS MARKS : 80 Answers to this paper must be written on the paper provided separately. You will not be allowed to write during the first 15 minutes. This time is to be spent in reading the Question Paper. The time given at the head of this paper is the time allowed for writing the answers. Attempt all questions from Section A and any four questions from Section B. All working, including rough work, must be clearly shown and must be done on the same sheet as the rest of the answer. Omission of essential working will result in loss of marks. The intended marks for questions or parts of questions are given brackets [ 1 Mathematical tables are provided. QI a) Section A (40 Marks) Attempt all questions from this Section. is 52? Which term of the A.P. 1+4+7 + 10 + (3) b) Solve the matrix equation : (3) 7 4 2 c) 6 (4) Prove that : sinA cosA = cosA + sinA 1 tanA I cotA Q2 a) 5, find x. If (4x + 4) : (9x 10) is the triplicate ratio of4 : (3) 1
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