Candidates are required to give their answers in their own words as for as practicable. The figure in the margin indicates full marks.
Multiple Choices
| Name:_______________________________ Symbol Number_________________________ Date: ___________________ |
Group A
Attempt ALL the questions.
Circle the correct answer: [1×10=10]
- The number of subsets of A = {1, 2, 3, 4,6} is
a. 32 b. 25 c. 31 d. 5
2. The sum of the series 1+2+3+4+5+6+…+m is.
a. m(m+1) b. m(m-1) c. [m(m-1)]/2 d. [m(m+1)]/2
3. The value of log4256 is
a. 1 b. 2 c. 3 d. 4
4. (B – A) ∪ (A – B) is denoted by
a. no(A) b. no(B) c. n(A∆B) d. n(B∆A)
5. What is the value of b if f(x) = x + b maps 1 into 4.
a. 1 b. 2 c. 3 d. 4 b c+a
6. The value of
![\[ \begin{pmatrix} 1 &a &b+c \\ 1 &b &c+a \\ 1 &c &a+b \end{pmatrix} \]](https://swoadhyan.com/wp-content/ql-cache/quicklatex.com-27ad2260bfde318b4219aedc7875d6d0_l3.png "Rendered by QuickLaTeX.com")
is
a. a+b+c b. 3abc c. 0 d. 1+a+b+c
7. The value of i10 + i11 + i12 + i13 is
a. i b. -i c. 1 d. 0
8. 0.45 is a _____________ number.
a. natural b. integer c. rational d. irrational
9. In a conic section if e = 0, then the curve is
a. Circle b. ellipse
c. parabola d. hyperbola
10. The rank of the matrix
![\[ \begin{pmatrix} 1 &2 \\ -4 &5 \end{pmatrix} \]](https://swoadhyan.com/wp-content/ql-cache/quicklatex.com-7f8ebc9923f3a2e075ee52cbddefaff4_l3.png "Rendered by QuickLaTeX.com")
is
a. 1 b. 2 c. 0 d. none
