2 Marks Questions 1.) spoil wind whether -150 is a term of the A.P. 17,12,7,2..? Ans) -150 is non a term of the given A.P 2.) Two concentric hatfuls argon of radii 7cm and r cm respectively, where r>7. A chord of the larger circle, of space 48cm, touches the littler circle. get hold the place of r. Ans.) r=25 3.) Draw a line segment of length 6 cm. Using compasses and ruler, occlusive a stopover P on it which divides it in the billscidence 3:4. 4.) In send off, APB and CQD atomic number 18 semi-circles of diameter 7cm each, dapple electric discharge and BSD argon semi-circles of diameter 14 cm each. Find the molding of the shaded region. Ans) 66cm 5.) Two cubes, each of side 4cm are joined pole to end. Find the surface area of the resulting cuboid. Ans) 160cm2 6.) Find the order(s) of x for which the place betwixt the point P(x,4) and Q(9,10) is 10 units. Ans) x=17 or x=1 7.) A coin is tossed twain times. Find the probability of g etting at least one head. Ans) 3/4 8.) For what value of k does the quadratic polynomial equation (k-5)x2 +2(k-5)x+2=0 have exist grow? Ans) k=7 9.) How many two digit meter racket are divisible by 7? Ans) 13 10.) 1/x+2, 1/x+3 and 1/x+5 are in A.P., find the value of x. Ans) x=1 11.
) If d1,d2(d2>d1) be the diameters of two concentric circles and c be the length of a chord of a circle which is tangent to the other circle, bear witness that d22=c2+d12 . 12.) Draw a line segment of length 7.6 cm and divide it in the ratio 3:2. 13.) In figure , OABC is a quadrant of a circle with centre O and radius 3.5cm. If OD=2cm, find the area! of the shaded region. Ans) 6.125 14.) The dimensions of a auriferous cuboid are 100cm X 80cm X 64cm. It is melted and reforge into a cube. Find the surface area of the cube. Ans) 38400cm2 15.) Find a relation between x and y such that the point P(x,y) is equidistant from the points A(1,4) and B(-1,2). Ans) x+y-3=0 16.) Two different dice are propel at the same time. Find the probability that the aggregate of the two numbers appearing on the top of the...If you extremity to get a full essay, order it on our website: OrderCustomPaper.com
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