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MATHEMATICS (Two and half hours) Prelim 1- Examination 2023-24 Max Marks: 80 _______________________________________________________________________________________ The time given at the head of this Paper is the time allowed for writing the answers. Class: X 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 as the rest of the answer. Omission of essential working will result in loss of marks. The intended marks for questions or parts of questions are given in brackets [ ]. Mathematical tables are provided. ______________________________________________________________________________________ SECTION A (Attempt all questions from this Section.) Question 1 [15] (i) A shopkeeper buys an article from the wholesaler for 2000 and sells to the customer at a profit of 10%. If the rate of GST is 12 % then the GST paid by shopkeeper to the government is __________ (a) 240 (ii) 12 ] 6 (c) {0,1,2,3 } (d) { -8, -9, -10 } (b) 27 (c) 37 (d) -27 (b) [ 12 ] 4 7 (c) [ ] 4 8 (d) [ ] 8 The point (0,8) is invariant under reflection in_______ (a) the origin (vii) (b) {0,1,2,3,4,5,6} 2 5 If A = [ ] , = [ ] and C = 2A + B , then matrix C is : 0 3 (a) [ (v) (d) 24 What is the remainder when ( ) = 6 3 3 2 8 + 7 ( 2): (a) -37 (iv) (c) 200 If x , then the solution set of the inequation -x > -7 is (a) {8,9,10 } (iii) (b) 120 (b) x-axis (c) y-axis (d) both x and y axes The median of the grouped frequency distribution is found graphically by drawing: (a) a linear graph (b) a histogram (c) a frequency polygon (d) a cumulative frequency curve ____________________________________________________________________________________ This paper consists of 6 printed pages.
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