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ARYA VIDYA MANDIR GROUP OF SCHOOLS Std. X Date: 19.03.2021 PRELIMINARY REVIEW MARCH 2021 MATHEMATICS Marks: 80 Time: 2 hrs Answers to this paper must be written on the paper provided separately. You will not be allowed to write during the first 15 minutes. This time is to be spent in reading the Question Paper. The time given at the head of this paper is the time allowed for writing the answers. Attempt all questions from Section I and any four from Section II. All working including rough work must be clearly shown and must be done on the same sheet as the rest of the answer. Omission of essential working will result in the loss of marks. The intended marks for questions or parts of questions are given in brackets [ ]. This paper consists of 6 printed pages. Please ensure the following: It is suggested to attempt the Preliminary Review using only a Laptop or a Desktop (with a webcam). In case a mobile or tab is being used, please have an alternate device with a camera so that you are visible to the invigilator at all times. Camera must be kept ON during the entire paper. You are not allowed to use ear-phones or head-phones during the reviews. Preliminary Review paper comprises two sections i.e. Section-A and Section-B. Please begin writing Section-B from a fresh page. Each section will have to be uploaded separately in the space provided in the form with the necessary renaming of the file as mentioned in the form. If students encounter any problem accessing or submitting the review, he/she must inform the invigilator. Question 1 SECTION I (40 marks) (Attempt all questions from this section) a) In what ratio does the point (a, 6) divide the join of (-4, 3) and (2, 8)? Also, find the value of a. b) [3] Find the value of x and y if: c) The points (6, 2), (3, 1) and ( 2, 4) are the vertices of a right angled triangle. Check whether it remains a right angled triangle after reflection in the y-axis. [3] [4] ..2
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