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arnniwas Bajaj engish bigh school Ramniwas Bajaj English High School First Preliminary Examination 2022 2023 Mathematics Max. Marks: 80 Grade: 10 30 min Time Allowed: 2 hour Date: 25/11/22 INSTRUCTIONS: Answers to this paper must be written on the paper separately. the first 10 minutes. Y o u will not be allowed to write during Question Paper. T h i s time is to be spent in reading the the answers. this paper is the time allowed for writing T h e time given at the head of B. Section Section A and any four questions from on Attempt all questions from done be clearly shown, and must be All working, including rough work, must the same sheet as the rest of the answer Omission of essential The intended marks working will result in loss of marks. for questions or parts ofquestions are given in brackets []. Section A (40 Marks) (Attempt all questions from this Section.) Question1 Choose the correct answers to the questions from the given options: 15 When Mr. Desai stayed in a hotel for 2 days, he had to pay 7080 hotel for a unit of including 18% GST. What is the tariff ofthe accommodation? b.3250 d3540 The solution set for the given inequation is a. 3500 C.3000 (i) 18 4x -2,xEI b. {1,2,3,4,5} d. {-5,-4,-3,-2,-1,0,1,2,3,4,53 a. 15} (ii) (iv) C5,6,7,8.. 30x+ 225 = 0 are The nature of roots for the equation:x b. Imaginary a. Rational and unequal d. Irrational and unequal cReal and equal The product of two consecutive natural numbers which are multiples of 3, is equal to 810. Find the two numbers a. 81,10 b. 27,30 C. 18,45 d. 270,3 6 Write the order of the matrix 7 () (vi) 1 2 and classify it 8 b Rectangular Matrix 3 x 2 a. Column Matrix 2 x 3 C. Null Matrix 3 x 2 d. Square Matrix2 x3 Find the value of x, given that A2 = B A- and B=l0 Page 1 off6
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