www.biharboard.bih.nic.in SSLC Tenth 10th Std : Maths Sample Question Paper

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Document Described : Maths Question Paper, Bihar Question Paper

MODEL PAPER
Clas XII
(MATHEMATICS)
Time : 3 Hrs. + 15 Minute (Extra)] [Total Marks : 100
SECTION - I :
OBJECTIVE QUESTIONS

http://biharboard.bih.nic.in/ModelQSClassXII.htm
http://biharboard.bih.nic.in/Docs/MQS-Science-XII.pdf

I. From Question No. 1 to 25 there is one correct answer. In each question you have to mark that correct option from the given options.
1. Derivative of xx with respect to x is
(a) xx (log x + 1) (b) x / xx–1 (c) x. xx (d) (1 + log x)
2. The radius of a circle is increasing at the rate of 0.7 cm/s. What is the rate of increase of its circumference ? (0.7 cm/s )
(a) 2p cm/s (b) 0.7 p cm/s (c) 1.7p cm/s (d) None of these
6. If E and F are events such that P (E/F) = P (F/E) then
(a) P (E) = P (F) (b) E = F (c) E ? F but E ? F (d) E n F = f
7. If P and Q are symmetric matrices of same order then PQ – QP is a
(a) Zero Matrix (b) Identity Matrix
(c) Skew-symmetric Matrix (d) Symmetric Matrix
8. Let A be a square matrix of order 3 × 3 then |KA| is equal to
(a) 3K|A| (b) K3|A| (c) K|A| (d) k2|A|
11. The area of the quadrilateral formed by the lines y = 2x + 3, y = 0, x = 4, x = 6 is y = 2x + 3, y = 0, x = 4, x = 6
(a) 26 square unit (b) None of these
(c) 20 square unit (d) 24 square unit
16. Let A be a non-singular matrix of the order n × n the |adj A| = .................. |adj A| = .................
(a) n |A| (b) |A|n – 1 (c) |A| (d) |A|n
17. If A ={1, 2, 3}, B = {5, 6, 7} and f : A ?B is a function such that f(x) = x + 4 then what type of a function is f?
(a) many-one-onto (b) constant function
(c) One-one-onto (d) into
19. The point with position vectors (2, 6), (1, 2) and (p, 10) are Collinear if the value of p is
(a) 3 (b) –3 (c) 12 (d) 6
20. The differential equation coresponding to curve –1 cos p x y e = is (a) (1 – x2) yn – xy' – p2 y = 0 (b) (1 – x2) y" – xy' + p2 y = 0
(c) 2 1– ' x y py = (d) (1 – x2) y" + xy' – p2 y = 0

II. In the following questions (21-25) there are two statements. Statements I follows Statement II. You have to go through these statement and mark you answer from the givn options.
(a) If both the statements are correct ant statement II is the correct explanation of statement I.
(b) If both the statements are correct but statement Ii is not the correct explanation of statement I.
(c) Statement I is correct but statement Ii is wrong.
(d) Statement is wrong but statement II is correct.
21. Statement I: p, q, r are non-coplaner vectors and a, b, c are scalars such.that pa + qb + rc = 0 Statement II:–a = b = c = 0
24. If A = [aij]mxm is a square matrix
Statement I: A (adj A) = |A| lm
Statement II: (adjA) A = |A| lm

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