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CBSE Class 10 Board Exam 2023 : Mathematics

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PRE-BOARD PAPER SELF-ASSESSMENT MATHEMATICS (STANDARD) Time Allowed: 3 Hours Maximum Marks: 80 General Instructions: 1. This Question Paper has 5 Sections A-E. 2. Section A has 20 MCQs carrying 1 mark each 3. Section B has 5 questions carrying 02 marks each. 4. Section C has 6 questions carrying 03 marks each. 5. Section D has 4 questions carrying 05 marks each. 6. Section E has 3 case based integrated units of assessment (04 marks each) with sub-parts of the values of 1, 1 and 2 marks each respectively. 7. All Questions are compulsory. However, an internal choice in 2 Qs of 5 marks, 2 Qs of 3 marks and 2 Questions of 2 marks has been provided. An internal choice has been provided in the 2marks questions of Section E 8. Draw neat figures wherever required. Take =22/7 wherever required if not stated. SECTION - A 20 Marks (Section A consists of 20 questions of 1 mark each.) 1. Discriminant of the quadratic equation 2x2 + 4x 7 = 0 is: (a) 28 (b) 72 (c) 36 (d) 48 2. If the distance between the points (4, p) and (1, 0) is 5 units, then the value of p is: (a) 3 (b) 4 (c) 5 (d) 3 1 1 3. Determine the upper limit of the modal class of the following frequency distribution: Class 0-5 6-11 12-17 18-23 24-29 Frequency 13 10 15 8 11 (a) 16 (c) 18 4. If x = 22 33 72, y = 23 32 5 7, then HCF (x, y) is: (a) 250 (b) 252 (c) 160 (d) 140 1 (b) 19.5 (d) 17.5 1 5. If the first term of an AP is 5 and the common difference is 2, then the sum of the first 6 terms is: (a) 0 (b) 5 (c) 6 (d) 15 Pre-Board Paper 1 1

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