012021 Subject - MATHSQI (a) Write the following cubes in expanded form.(b) Factories647 - 343Q.2 Check which of the following are solution of the equation x - 2y = 4 and which are mot:(20)(B(4.0)Q.3 If the point (3,4) lies on the graph of the equation 3y = ax + 7 find the value of aQ.4 Show that Equal chards of a circle subtend equal angles at the centre.Q.5 To know the opinion of the students about the subject statistics, a survey of 200 students wasConducted. The data is recorded in the following tableOpinion Number of studentsLike135dislike65find the probability that a student chosen a randomkes statistics() does not like itQ.6 Factories( 2x2 + 7x +3 (ii) 6x2 + 5x - 6Q.7 The angles of quadrilateral are in the ratio 3:59:13 find all the angles of the quadrilateral (2)Q.8 The points scored by a kabaddi team in a series of matches are as follows.17,2,7,27 15,5, 14,8,10, 24,4810.8.7.18.28Find the median of the points scored by the team.Q.9 If a line intersects two concentric circles (circles with the same centre) with centre 0 atA, B, C and D prove that AB = CDoAQ.10 Find the mode of 14.25. 14.28.18.17.18.14.23.22.44 18Q.11 In countries like USA and Canada, temperature is measured in Fahrenheit, whereas incountries like India.it is measured in Celsius. Here is a linear equation that convertsFahrenheit to CelsiusF = c +32Draw they of the linear equation above using Celsius for x-axis and Fahrenheit for y-axis.If the temperature is 30°c what is the temperature in Fahrenheit?Q12. Show that the bisectors of angles of a parallelogram form a rectangle.(3)Q.13 Prove that the quadrilateral formed (if possible ) by the internal angle bisectors of anyquadrilateral is cyclie.(3)​