PTU BCA 1st Sem Paper 2012 Mathematics

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PTU BCA 1st Semester Paper 2012 Mathematics Punjab Technical University Exam 2012 1st Sem Mathematics Test September and March Question Paper Free Download Punjab Technical University Mathematics Question Papers 2012 PTU BCA 1st Semester Question Paper 2012 for all students Previous Year old Past Papers of PTU BCA 1st Sem Paper 2012 Mathematics Punjab Technical University September 2012 and March 2012 Exam BCA 1st Semester Sample Model Question Papers Free Download PDF

Mathematics

 1. (a) A Singleton set contains
(i) Zero element (ii) One element
(iii) Infinite elements (iv) None of these
(b) A-mB is equals to
(c) Which of following is not an operation on sets:—
(i) Union (ii) Intersection (iii) Complement (iv) None of these (d) sec c is inverse of which of following
(i) sin a (ii) cos a (iii) cot a (iv) see a
(e) cosec a is inverse of  ______________

(0 (x + a )1O has following number of terms
(i) 10 (ii) 11 (iii) 12 (iv) 9
(g) Transpose of a symmetric matrix A is
(h) Determinant of a skew-symmetric matrix A is
(i) If two rows of a determinant are exchanged. new determinant will be
(i) Same (ii) Negative (iii) Doubles (iv) None of these
(j) Row matrix has
(k) Mean of first five natural number is :
(i) 1 5 (ii) 10 (iii) 1 2 (iv) None of these
(1) Mode of sequence 1,2,2,2,3,3,4 is
(m) Median of sequence 1.234.5 is
(n) Transpose of a skew symmetric matrix A is
(i) A (ii) —A (iii) 2A (iv) None of these.

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