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NAME:, , , , Roll No. «, , Saraswati Shishu/Vidya Mandir H.S. School, Examination -2021-22, , , , , , , , , , SUBJECT- MATHS CLASs- 9" neMepo, 1. Multiple choice question (MCQs), tick (v) the correct option = MMe,, (A), tfx2+ 5 =102, then value of x+ +=, , (400( )(2).327( ) (3).10( 144.32 CD, {8}. Zero of zero polynomial is:, (2 ( ) (2).1( ) (3).3.( ) (4). Anyrealnumber ( ), (C). if (3,2) is the solution of the equation 3x — ky = 5 then k =, G22( 0) 2.4) 1.3) (at), (0). The complement of (90°- x) is, (x ( ) (2).90%x() (3). -x() (4). 90° x, 2. Attempt all question. [Each of 2 marks], {A) The distance of a chord scm find the length the centre of the circle of radius 5 em., (8) The area of an equilateral triangle is 2V3 cm’, Find the semi perimeter., {C) ifthe probability of winning the game is 0.8. find the probability of losing the game, (0) Find two irrational number between 0.1 and 0.12, 3. Attempt all question.{Each of 2 marks}, (A) Find the decimal representation of 8, , (6) show that(=). (5). (S)=x°, , , , (0) Factorize: x, , , , (0) An angle is 4 times its complementary angle, find the measure of the angle., 4, Attempt all question.[Each of 3 marks), {A)In4 ABC, angle A + angle B, each angle of the triangle,, (8) the side of a triangle plot are in the ratio of 3:5:7 and its perimeter is 300 m. find its area, (€) from the data given below prepare a frequency table., 90,87,92,95,93,95,85,93,85,93,85,83,77,83,74,60,71,65,74,80,87,82,81,76,61,63,58,58,56,57., (0) Find the arithmetic mean of first 8 natural number., 5. Attempt all question.[Each of 3 marks}, (A) ifthe mean of 2x+ 3, 3x44, x+7, x-3, 4x+7,is 14. find x?, , , , 65° and angle B + angle C = 140° find the measure of, , () 4 bag has3 red and 7 black balls. And ball is taken out of the bag, Find the probability that is, 2 (i)red ball (li) black ball, , (C)find the area of & ABC in which =AB = BC = 4cm, and angle B = 90°, , 6 If transversal intersects two lines in such a way that a pair of consecutive interior angles are, supplementary then the, , two lines are parallel, , , , oR, Find thevalisot if (x — a) is afactor of the polynomial x® — ax +x" ~ayt 43x94 2,, TPNIGeGx* + S394 1133 — S32 4 264 7 by 94? 94 g, oR, Show that, aaeae :, , , , baat + ea