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1st Pre-Board Examination 2020-21 GRADE 10 SUBJECT: - MATHEMATICS Date : 27-11-2020 Time : Two and half hours Reading Time : 09:00-09:15 am Maximum Marks : 80 Writing Time : 09:15-11:45 am Uploading Time : 11:45-12:15 pm 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. You will be allowed to scan and upload during the last 30 minutes. _______________________________________________________________________________ Attempt all questions from Section A and any four questions from Section B. All working, including rough work, must be clearly shown and must be done on the same sheet. Omission of essential working will result in loss of marks. The intended marks for questions or parts of questions are given in brackets [ ]. Mathematical table can be used from textbook. ----------------------------------------------------------------------------------------------------------------------------- ----------- SECTION A (40 Marks) (Attempt All Questions) Question 1 a) Find the value of 'k' for which x = 4 is a solution of the quadratic equation, (k +2)x2 (5k + 2)x - 4 = 0. Hence, find the other root of the equation. [3] b) Solve the following inequation and represent the solution set on the number line. 5 -36< 1 6 4 3 5 2 6 , x R. [3] c) Find the amount of bill for the intra-state transaction if the rate of GST = 12%. Quantity (No. of items) MRP of each item (Rs.) Discount % 20 225 40 30 350 30 15 300 20 30 250 40 [4]
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