
	Trending ▼ ICSE CBSE 10th ISC CBSE 12th CTET GATE UGC NET Vestibulares ResFinder

ISC Class XII Board Exam 2020 : Mathematics

5 pages, 6 questions, 0 questions with responses, 0 total responses,

Debjyoti Chakraborty
The Heritage School, Kolkata

+Fave Message

Profile Timeline Uploads

Home > debjyoti123456789 >

Formatting page ...

MATHEMATICS (Maximum Marks: 100) (Time allowed: Three hours) (Candidates are allowed additional 15 minutes for only reading the paper. They must NOT start writing during this time.) --------------------------------------------------------------------------------------------------------------------Section A - Answer Question 1 (compulsory) and five other questions. Section B and Section C - Answer two questions from either Section B or Section C. All working, including rough work, should be done on the same sheet as, and adjacent to, the rest of the answer. The intended marks for questions or parts of questions are given in brackets [ ]. Mathematical tables and graph papers are provided. Slide rule may be used. --------------------------------------------------------------------------------------------------------------------- SECTION A (80 Marks) [10 3] Question 1 (ii) 6 is symmetrix, find the value of x. 2 15 10 If y 2x k = 0 touches the conic 3x2 5y2 = 15, find the value of k. (iii) Prove that (iv) Using L Hospital s Rule, evaluate: (i) If the matrix = ( 2 (v) Evaluate: (vi) Evaluate: (vii) . sec ) log(1 + ) By using the data =25, =30, byx = 1 6 and bxy = 0 4, find: (a) The regression equation y on x. (b) What is the most likely value of y when x = 60? (c) What is the coefficient of correlation between x and y? --------------------------------------------------------------------------------------------------------------------This Paper consists of 5 printed pages and 1 blank page. 1217-860 Turn over Copyright reserved.

Formatting page ...

debjyoti123456789 chat

Horizontal lines at:
Guest Horizontal lines at:
AutoRM Data:
Box geometries: