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Prelim Examination- 2015-16 Class: X Subject: Mathematics Time: 2 hrs M.M: 80 MATHEMATICS (Two and a half hours) You will not be allowed to write during the first 15 minutes. This time is to be spent in reading the question paper. The time given at the head of the paper is the time allowed for writing the answers. Attempt all questions from Section A and any 4 from Section B. All working, including rough work, must be clearly shown and must be done on the same sheet as the rest of the answers. Omission of essential working will result in the loss of marks. The intended marks for questions or parts of questions are given in the brackets [ ]. Mathematical tables are provided. Section A (40 marks) Attempt all questions from this section Question 1 3x 4y 5x 6y = a) If 2x 3y 4x 5y , find x: y . [3] b) If the rate of the sales tax is 5%, Simran has to pay `7140 for the steel cupboard. What amount she has to pay if the sales tax is increased by 2%? [3] c) In the fig., AOBP is a quadrilateral of a circle of radius 14 cm. A semi-circle with AB as diameter is drawn. Find the area of the shaded region. [4] Question 2 a) In the given figure, ABCD is a quadrilateral, inscribed in a circle with centre O. Side CD produced to E. If 0 ADE=95 and OBA=30 0 , find: (i) This Paper contains 4 printed pages OBC (ii) OAC [3] Page 1
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