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12th Standard Business Maths Numerical Methods English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021

12th Standard

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Business Maths

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

    Answer all the questions

    10 x 1 = 10
  1. Δf(x) = _______.

    (a)

    f(x+ h)

    (b)

    f(x) − f(x+h)

    (c)

    f(x + h) − f(x)

    (d)

    f (x) − f(x−h)

  2. If m and n are positive integers then ΔmΔnf(x) = _______.

    (a)

    Δm+nf (x)

    (b)

    Δmf(x)

    (c)

    Δnf (x)

    (d)

    Δm-nf (x)

  3. E f (x)= _______.

    (a)

    f(x− h)

    (b)

    f (x)

    (c)

    f(x+ h)

    (d)

    f(x+ 2h)

  4. ∇ f(a) = _______.

    (a)

    f (a) + f(a−h)

    (b)

    f (a) − f(a + h)

    (c)

    f (a) − f(a − h)

    (d)

    f (a)

  5. Lagrange’s interpolation formula can be used for _______.

    (a)

    equal intervals only

    (b)

    unequal intervals only

    (c)

    both equal and unequal intervals

    (d)

    none of these.

  6. For the given data find the value of Δ3y0 is _______.

    x 5 6 9 11
    y 12 13 15 18
    (a)

    1

    (b)

    0

    (c)

    2

    (d)

    -1

  7. ∇f(x+ 3h) ______________

    (a)

    f{x + 2h)

    (b)

    f(x + 3h) - f(x + 2h)

    (c)

    f(x + 3h)

    (d)

    f(x + 2h) - f(x - 3h)

  8. Δ can be defined as Δf(x) =f(x + h) -f(x) where h is the __________ interval of spacing

    (a)

    equal

    (b)

    unequal

    (c)

    equal & unequal

    (d)

    equal or unequal

  9. Δ(f(x) + g(x)) = ________

    (a)

    Δf(x) + Δg(x)

    (b)

    f(x) ± Δg(x)

    (c)

    f(x) Δ g(x)

    (d)

    g(x). Δf(x)

  10. E [f(x0)] is ______________

    (a)

    f(xo + h)

    (b)

    f(xo - h)

    (c)

    f(xo) + h

    (d)

    f(xo) - h

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