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12th Standard Business Maths English Medium Free Online Test Book Back One Mark Questions - Part Two

12th Standard EM

    Reg.No. :
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Business Maths

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

    Answer all the questions

    10 x 1 = 10
  1. if T=\(_{ B }^{ A }\left( \begin{matrix} \overset { A }{ 0.4 } & \overset { B }{ 0.6 } \\ 0.2 & 0.8 \end{matrix} \right) \) is a transition probability matrix, then at equilibrium A is equal to

    (a)

    \(\frac { 1 }{ 4 } \)

    (b)

    \(\frac { 1 }{ 5 } \)

    (c)

    \(\frac { 1 }{ 6 } \)

    (d)

    \(\frac { 1 }{ 8 } \)

  2. \(\frac { sin2x }{ 2sinx } dx\) is

    (a)

    sin x + c

    (b)

    \(\frac12\)sin x + c

    (c)

    cos x + c

    (d)

    \(\frac12\)cos x + c

  3. Area bounded by the curve y = \(\frac{1}{x}\) between the limits 1 and 2 is

    (a)

    log2 sq.units

    (b)

    log5 sq.units

    (c)

    log3 sq.units

    (d)

    log 4 sq.units

  4. The order and degree of the differential equation \({ \left( \frac { { d }^{ 2 }y }{ { dx }^{ 2 } } \right) }^{ \frac { 1 }{ 2 } }-\sqrt { \frac { dy }{ dx } } -4=0\) are respectively

    (a)

    2 and 6

    (b)

    3 and 6

    (c)

    1 and 4

    (d)

    2 and 4

  5. E ≡

    (a)

    1 + Δ

    (b)

    1 - Δ

    (c)

    1 + ∇

    (d)

    1 - ∇

  6. Probability which explains x is equal to or less than particular value is classified as

    (a)

    discrete probability

    (b)

    cumulative probability

    (c)

    marginal probability

    (d)

    continuous probability

  7. If Z is a standard normal variate, the proportion of items lying between Z = –0.5 and Z = –3.0 is

    (a)

    0.4987

    (b)

    0.1915

    (c)

    0.3072

    (d)

    0.3098

  8. A finite subset of statistical individuals in a population is called __________

    (a)

    a sample

    (b)

    a population

    (c)

    universe

    (d)

    census

  9. The components of a time series which is attached to short term fluctuation is

    (a)

    Secular trend

    (b)

    Seasonal variations

    (c)

    Cyclic variation

    (d)

    Irregular variation

  10. In a degenerate solution number of allocations is

    (a)

    equal to m+n–1

    (b)

    not equal to m+n–1

    (c)

    less than m+n–1

    (d)

    greather than m+n–1

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TN 12th Standard EM Business Maths free Online practice tests

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