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11th Standard Maths English Medium Free Online Test Book Back One Mark Questions

11th Standard

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Maths

Time : 00:10:00 Hrs
Total Marks : 10

    Answer all the questions

    10 x 1 = 10
  1. The number of constant functions from a set containing m elements to a set containing n elements is

    (a)

    mn

    (b)

    m

    (c)

    n

    (d)

    m+n

  2. If |x+2| \(\le\) 9, then x belongs to

    (a)

    \((-\infty ,-7)\)

    (b)

    [-11, 7]

    (c)

    \((-\infty ,-7)\cup (11,\infty)\)

    (d)

    (-11, 7)

  3. \(\frac { 1 }{ cos{ 80 }^{ 0 } } -\frac { \sqrt { 3 } }{ sin{ 80 }^{ 0 } } \)=

    (a)

    \(\sqrt{2}\)

    (b)

    \(\sqrt{3}\)

    (c)

    2

    (d)

    4

  4. The sum of the digits at the 10th place of all numbers formed with the help of 2, 4, 5, 7 taken all at a time is

    (a)

    432

    (b)

    108

    (c)

    36

    (d)

    18

  5. If a, 8, b are in AP, a, 4, b are in GP, and if a, x, b are in HP then x is

    (a)

    2

    (b)

    1

    (c)

    4

    (d)

    16

  6. The equation of the locus of the point whose distance from y-axis is half the distance from origin is

    (a)

    x2+3y2=0

    (b)

    x2-3y2=0

    (c)

    3x2+y2=0

    (d)

    3x2-y2=0

  7. If aij =\({1\over2}(3i-2j)\) and A=[aij]2x2 is

    (a)

    \(\begin{bmatrix} {1\over 2}& 2 \\ -{1\over2} & 1 \end{bmatrix}\)

    (b)

    \(\begin{bmatrix} {1\over 2}& -{1\over2} \\ 2& 1 \end{bmatrix}\)

    (c)

    \(\begin{bmatrix} 2& 2\\ {1\over 2}& -{1\over2} \end{bmatrix}\)

    (d)

    \(\begin{bmatrix} -{1\over 2}& {1\over2} \\ 1& 2 \end{bmatrix}\)

  8. The value of \(\overrightarrow{AB}+\overrightarrow{BC}+\overrightarrow{DA}+\overrightarrow{CD}\) is

    (a)

    \(\overrightarrow{AD}\)

    (b)

    \(\overrightarrow{CA}\)

    (c)

    \(\overrightarrow{0}\)

    (d)

    \(-\overrightarrow{AD}\)

  9. \(lim_{x\rightarrow\infty}{sin \ x \over x} \)

    (a)

    1

    (b)

    0

    (c)

    \(\infty\)

    (d)

    -\(\infty\)

  10. \({d\over dx}({2\over \pi}sin \ x^o)\)is

    (a)

    \({\pi\over 180}cos \ x^o\)

    (b)

    \({1\over 90} cos \ x^o\)

    (c)

    \({\pi\over 90}cos \ x^o\)

    (d)

    \({2\over \pi}cos \ x^o\)

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