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(PRE - FINAL EXAMINATION 2019 2020 ) SUB: MATHS CLASS: X (ICSE) TIME: 2hrs30min MATHEMATICS (Two hours and a half) Answers to this Paper must be written on the paper provided separately. 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 this Paper is the time allowed for writing the answers. Attempt all questions from Section A and any four questions 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 answer. Omission of essential working will result in loss of marks. The intended marks for questions or parts of questions are given in brackets [ ]. Mathematical tables are provided. SECTION A (40 Marks) Attempt all questions from this Section QUESTION 1 a) Mr. Nihal has a two years recurring deposit account in State Bank of India and deposits month. If he receives 37,875 at the time of maturity . Find the rate of interest. 1500 per b) Solve the following inequation and write down the solution set: Represent the solution on a real number line. c) A game of chance consists of spinning an arrow which comes to rest pointing at one of the numbers 1, 2, 3, 4, 5, 6, 7, 8 and these are equally likely outcomes. What is the probability that it will point at (i) 8 ? (ii) an odd number? (iii) a number greater than 2? (iv) a composite number? QUESTION 2 a) Mr. Shiva invests 8500 in 10%, 100 shares at 170. He sells the shares when the price of each share rises by 30. He invests the proceeds in 12% 100 shares at 125. Find: (i) the sale proceeds. (ii) the number of 125 shares he buys (iii) the change in his annual income. b) Points of A and B the coordinates (7, -3) and (1, 9). Find: i) The slope of AB P age |1
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