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NEW HORIZON PUBLIC SCHOOL CBSE Affiliation No. 1130164 Sector-13, Khanda Colony, New Panvel (W)- 410206 Preparatory Examination 1 Subject: Mathematics Name: Roll No: Grade: X Div: Max Marks : 80 Max Time : 3 Hrs Date:21/12/2020 General Instructions: 1. This question paper contains two parts A and B. 2. Both Part A and Part B have internal choices. Part A: 1. It consists three sections- I and II. 2. Section I has 16 questions of 1 mark each. Internal choice is provided in 5 questions. 3. Section II has 4 questions on case study. Each case study has 5 case-based sub-parts. An examinee is to attempt any 4 out of 5 sub-parts. Part B: 1. Question No 21 to 26 are Very short answer Type questions of 2 mark each, 2 .Question No 27 to 33 are Short Answer Type questions of 3 marks each 3. Question No 34 to 36 are Long Answer Type questions of 5 marks each. 4. Internal choice is provided in 2 questions of 2 marks, 2 questions of 3 marks and 1 question of 5 marks. PART-A SECTION-I Section I has 16 questions of 1 mark each. Internal choice has been provided in 5 questions. Q1. Find the zeroes of the polynomial( ) = 2 2 9 + 9. Q2. In a triangle ABC, DE BC and AE = a, EC = b, Find the value of DE / BC. Q3. If 2k + 1, 6, 3k + 1 are in AP, then find the value of k. OR Q3. Find the A.P : 3/2, 1/2, -1/2, -3/2,.Write the first term a and the common difference d . Q4. Find the radius of the largest right circular cone that can be cut out from a cube of edge 4.2 cm. Q5. Circumference of a circle exceeds its diameter by 180 cm. Find its radius.
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