Class 12 Maths Preboard Paper 1

PRE BOARD 1 (2024 -25) Time:3 Hrs. General Instructions: I. This question paper contains -5 sections A, B, C, D and E. Each section is compulsory. However, there are internal choices in some questions. 2. Section -A has 18 Multiple Choice Questions (MCO) and 2 Assertion-Reason based questions of 1 mark each. 3. Section -B has 5 very short ansSwer type (VSA) questions of2 marks each. 4. Section -Chas 6 short answer type (SA) questions of3 marks each. 5. Section -D has 4 long answer type (LA) questions of5 marks each. 6. Section -Ehas 3 source based/ case based (4 marks each) with sub parts. 1. Let A={1,2,3,.., 100} and R={(x,y): xy is a perfect square) a) Then the equivalence class [2] is : b d) a) b) c) d) 2. Sum of order and degree of the differential equation a) b) c) d) {2, 8, 18, 32, 50} b) (2, 8, 18, 32) Jadj A| is equal to: c) {2, 8, 18, 32, 50, 72, 98} None of these d) 3. If for a square matrix A, A. (adj A) = 2 1 3 4 CLASS XII MATHEMATICS 1 a) 5 (2024)'+ 48 2024 + (2024)' 2024 +1 SECTION