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ST.PATRICK S ACADEMY,BENGALURU PRE BOARD- II-2023-24 SUBJECT: MATHEMATICS CLASS: X DATE: 16/1/2024 MARKS:80 TIME:2 hrs Instructions: 1. Attempt all questions from Section-A and four questions from Section-B. 2. All working, including rough work, must be clearly shown and must be done on the same sheet as, and adjacent to the rest of the answer. SECTION A (40 Marks) Attempt all questions from this Section. Question 1: Choose the correct answer to the questions from the given options: [15] (Do not copy the questions , write the correct answer only) i) 1 2 and B= [ ] 0 3 Which of the following operation is possible? If A=[ 1 2] ) b) A+B c) AB d) BA ii) The marked price of an article is Rs 5000.The shopkeeper gives a discount of 10% .If the rate of GST is 12%,then the amount paid by the customer including GST is a) 5040 b) 6100 c) 6272 d) 6160 iii) Which of the following is not a quadratic equation? a) 2( 1)2 =4 2 2 + 1 2 c)( 2 + 3) + 2 = 3 2 5 b) 2 2 = 2 + 5 d) ( 2 + 2 )2 = 4 + 3 + 4 3 iv) Which of the following are in Proportion? a) 4: 2 :: 16:8 b)4: 2 :: 8:16 c) 2 :4 :: 16:8 d) 3 :6 :: 3:4 v)If the roots of the equation 2 6 + = 0 are real and distinct ,then the value of k is a) > ( 9) b) > ( 6) c) < 6 d) < 9 vi) Which of the following is/are the first three terms of an arithmetic progression (A.P) if the nth term of an AP is (n+3)? 1) 3,4,5 2) 3,6,9 3) 4,5,6 4) 4,6,8 1 of 7
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