AMITY INTERNATIONAL SCHOOL NOIDA Pre Board Class- X Session- 2020-21 Subject- Mathematics Time Allowed: 3 Hours Maximum Marks: 80 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. Internal choice is provided in 2 questions of 2 marks, Question Part-A Marks No. allocated Section-I Section I has 16 questions of 1 mark each. Internal choice is provided in 5 questions. 1 2 Express positive integer 540 as the product of its prime factors or Can 72 and 20 respectively be the LCM and HCF of two numbers? Write the reason. Find the zeroes of the polynomial x2-5 x. 1 1 3 For which values of p does the pair of equations given below has unique solution? 4x + py + 8 = 0 2x + 2y + 2 = 0 1 4. How many solutions The following system of equations has? y = x; y = 2x 1
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