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Oxford International School (ICSE) Preliminary Examination- I (2020 2021) Sub.: Mathematics Marks: 80 Time: 2 hrs 30 min Date:13/01/2021 --------------------------------------------------------------------------------------------------------Section A (40 Marks) (All questions are compulsory) Question 1: a) A = 7 3 4 and B = . Is A X B possible? Give reason. If so, find the product. 5 6 8 (3) b) Solve the following in equation and represent the solution set on the number line: 4x 19 < -2 + x, x R. ( Graph paper not required) c) In the figure, DBC = 58 . BD is a diameter of the circle. Calculate: i) ) ) iv) BCD (3) (4) Question 2: a) Find the value of x: = (3) b) Using the Remainder Theorem, factorize each of the following completely: 4 + 7 36x 63 (3) c) In the given figure AX : XB = 3 : 5 (4) Find: i) the length of BC, if length of XY is 18 cm. ii) ratio between the areas of trapezium XBCY and triangle ABC.
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