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Bombay Scottish School, Mahim Grade : 10 Date : 25.01.2021 Session : 1 PRELIMINARY EXAMINATION MATHEMATICS Max. Marks : 80 Writing Duration : 2 hours No. of Questions : 11 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 q uestions 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 is given in brackets [ ] . SECTION A (40 Marks) Answer all questions from this Section Question 1 a) Using the Remainder theorem, factorise the following polynomial completely. 2x 3 + x2 -13x + 6 [3] b) Kishore has a recurring deposit account in a bank for 2 years at 8.5% simple interest. If he gets 2,550 as interest at the time of maturity, find i) the monthly deposit. ii) the maturity value. [3] c) Calculate the mean and median of the following distribution: [4] Age in years 12 18 14 17 16 15 13 No of 2 2 5 3 4 6 3 students page 1
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