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GOLDCREST HIGH, VASHI COMPREHENSIVE ASSESSMENT [2020-21] Roll No._______ Name :________________ Sub: Mathematics Grade: 10 MM : 80 Time : 2 Hours 30 minutes Date : 25.01.2021 __________________________________________________________________________ GENERAL INSTRUCTIONS First 15 minutes are for reading of questions. All questions to be answered on- the SECTION I (40answer Marks)sheets. On the First page of your write your Name, Class/Sec, Roll Attempt all Answer questionsScript, from this Section. No., Date and Total number of pages used. Also write your Name, Class/Sec, Roll No and Page number on each page. After completing the Answers, click the picture of your answer script and convert it to PDF. Rename the PDF File with your Name_ClassSec_Roll No_Subject Upload the PDF in your Google Classroom. Total no: of questions in the question paper: 11 Total no: of pages for the question paper:6 SECTION I (40 Marks) Attempt all questions from this section. Question 1. a) What must be subtracted from 16x3 8x2 + 4x +7 so that the resulting expression has 2x + 1 as a factor? b) Kangna had a recurring deposit account in a bank and deposited Rs.600 [3] [3] 1 per month for 2 years. If the rate of interest was 10% p.a, find the maturity 2 value of this account. c) Prove that: ( 1 + cot cosec ) ( 1 + tan + sec ) = 2 Question 2. a) Three vertices of a parallelogram ABCD taken in order are A(3,6), B(5,10) and C(3,2). Find: (i) The co-ordinates of the fourth vertex D (ii) Equation of side AB of the parallelogram ABCD. 1 [4] [3]
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