Cinemugam (Kollywood)

General Maths Geometry March 2016 Board Paper Q. 1. Solve any five of the following sub - questions: [5] (i) △ ABC ~ △ PQR. If AB/PQ = 1/2, then find the value of BC/QR. (ii) If the diameter of circle is 10 cm, then find the radius of the circle. (iii) What is the midpoint of class 16 - 20? (iv) In the adjoining figure, find the value of cos Θ. (v) How many tangents can be drawn to a circle from a point on the circle? (vi) If a coin is tossed, what is its sample space? Q. 2. Solve any four of the following sub - questions: [8] (i) The lengths of sides of a triangle are 6 cm, 8 cm and 10 cm. Is this triangle right - angled? Give reason. (ii) Radii of two internally touching circles are 10 units and 4 units.Find the distance between centres of the circles. (iii) In the adjoining figure, 口PQRS is a trapezium. Seg PQ || Seg MN || seg SR. If PM = 6, MS = 8, NR = 4, then find QN. (iv) Radius of a sphere is 7 cm. Find its curved surface area. (v) A

General Maths Geometry July 2016 Board Paper Q. 1. Solve any five of the following sub - questions: [5] (i) In figure, △ PQR and △QRT are right angled triangle. If PQ = 4 and RT = 2, then find A(△PQR) / A(△QRT). (ii) In the given figure A is the centre of the circle. Write the name of inscribed angle. (iii) Draw seg AB of length 5 cm and bisect it. (iv) Write the upper class limit of class 40 - 60. (v) Using the information given in figure, find XY. (vi) In figure, point C is the centre of circle. Write the name of the diameter. Q. 2. Solve any four of the following sub - questions: [8] (i) The circles with radii 7 cm and 3 cm touch internally, then find the distance between centres. (ii) In figure, △PQR is a right angled triangle, ㄥQ = 90 0 , ㄥR = 40 0 , Write the ratios of sin 40 0 and cos 40 0 . (iii) Draw ㄥXYZ of measure 120 0 and bisect it. (iv) Ray BP is the bisector of ㄥABC. Find the value of x from the information given in the figure

Q.1. Attempt any five of the following sub - questions. [5] (i) Write any two arithmetic progressions with common difference 3. (ii) Write the following quadratic equation in the standard form. ax 2 + bx + c = 0. x 2 = 3x - 5. (iii) Write the following equation in the general form of a linear equation in two variables. 7x = 3y + 23. (iv) If y varies directly as x and y = 40 when x = 15, find the constant of variation. (v) If the printed price is Rs. 50 and discount is Rs. 10, then find the selling price. (vi) If the cost price is Rs. 100 and selling price is Rs. 120, then find the profit. Q. 2. Attempt any four of the following sub - questions. [8] (i) If t n = 2n + 3, then find the first two terms of a given sequence. (ii) Solve the following quadratic equation by factorization method. n 2 + n - 42 = 0. (iii) If t n = 3n + 5, then find the A.P. (iv) Write the following quadratic equation in the form of ax 2 + bx + c = 0 and write the values