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TWK VIOYAAYA PARLE TILAK VIDYALAYA (CSE) Grade: X Date: 25.11.2024 PRELIMINARY EXAMINATION MATHEMATICS Marks: 80 Time: 3 hrs. You will not be allowed to write during the first 15 minutes. This time is to be spent in reading the question The time given at the head of the question paper isthe time allowedpaper. for writing the answers. This paper consists of SIX printedpages. Section Iis compulsory. Attempt any four questions fronm Section II. the inteded marks for questions or parts of questions are given in brackets []. SECTION L(40 MARKS) (Atempt all questions fromthis section.) QUESTION 1: Choose the correct answer to all questions from the given options: [15] If zebra were younger by 5 years than what she really is, then the square of her age would have been 11 more than five times her actual age.What is her age now? i. a. 72 b. 14 C. 6 d. NIL ii. The mean proportional to 36.3 & 2.7 is: 5.0 a b 4.20 C. 3.6 d. 9.9 iii. a. If 5-4x K2-3x, xe W, then solution set is.. {1,2,3} b. {0,1,2,3} c. f..-2,-1,0, 1,2,3 } d. {x: xE R, X <=3}
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