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This question paper consists of 3 no .of pages REHEARSAL TEST (2016-2017) SUBJECT:NL\THENL\TICS CLASS: X FULL MARKS: 80 TIME: 2YzHOURS 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. Attempt all questions from SectionA 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 giveninbrackets[ ]. SECTION: A (Answer all questions in this section) ~g polynomial: the remainder theorem facto rise completely the following 3 xl + 2 Xl - 19 x + 6 . (3) ~ hollow sphere of internal and external diameters 4 em and 8 em respectively, is melted into a cone of base diameter 8 cm.Find the , ,L height of the cone. (3) ~rind the ratio compounded of the reciprocal ratio of 15: 28, the subduplicate ratio of 36: 49 and the triplicate ratio of 5:4 (4) 2. (~e adjoining figure, AT is tangent to a circle at A . (3) IfLBAT = 4So and LBAC = 6So ,find LADC. B T ~Ive: Xl -3x-9 = 0.( correct to 2 significant figures). (3) ~ind the value of a and b if x-I and x-2 are factors of x3 - ax + b. (4) 3.(~ d~ are thrown simultaneously. What is the probability that: -...(iJ /' 4 will not come up either time? J ~ 4 will come up at least once? (3) WThe weights of SOapples were recorded as given below. Calculate the mean weight, to the nearest gram, by the Step Deviation Method. (3) 80-85 85-90 90-95 9S-100 100-10S 10S-110 110-11S S 8 10 12 8 Page-1 ( Class: X MATH) Weight (gm) No. of apples 4 Continued to page-2 3
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