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BOMBAY SCOTTISH SCHOOL, MAHIM PRELIMINARY EXAMINATION MATHEMATICS GRADE : 10 MAX MARKS : 80 DATE : 25/01/2021 WRITING DURATION : 2 HRS SESSION : 1 NO. OF QUESTIONS : 11 Answers to this paper must be written on the paper provided separately. You will not be allowed to write in the frst 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 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 the brackets [ ] SECTION A (40 Marks) Answer all questions from this Section Question 1 a) Using Remainder Theorem, factorise the following polynomial completely 2 x 3 + x 2 13 x + 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 : [3] i) the monthly deposit ii) the maturity value. c) Calculate the mean and median of the following distribution. Age in years No. of students [4] 12 18 14 17 16 15 13 2 2 5 3 4 6 3
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