CBSE Guess > Papers > Question Papers > Class XII > 2006 > Mathematics > Delhi Set  II. Mathematics — 2006 (Set II — Delhi) SECFION  A Q. 4. Q. 6. Solve the following differential equation: Q. 8. Q. 11. Q. 13. Q. 18. Using matrices, solve the following system of equations: SECTION  B Q. 22. If find the value of is perpendicular to Q. 23. Find the equation of the plane passing through the points (0, —1, —1), (4, 5, 1) and (3, 9, 4). Or
Q. 26. The vector equations of two lines are: SECTION  C Q. 19. Find the face value of a bill discounted at 5% per annum 146 days earlier than the legal date of maturity when the banker’s gain is Rs. 5. Q. 23. Find the amount of an annuity of Rs. 500 payable at the end of every month for 3 years if the money is worth 15% per annum, compounded monthly. [Use (1.0125)^{36}= 1.5391]

