Maths Practice Question and Answer

Q:

The value of which one of the following fractions falls in between $$ {3\over 5}$$ and $$ {7\over 8}$$?

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  • 1
    $$ {8\over 9}$$
    Correct
    Wrong
  • 2
    $$ {4\over 7}$$
    Correct
    Wrong
  • 3
    $$ {12\over 13}$$
    Correct
    Wrong
  • 4
    $$ {6\over 7}$$
    Correct
    Wrong
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Answer : 4. "$$ {6\over 7}$$"

Q:

The average of all the numbers between 6 and 50 which are divisible by 5 is

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  • 1
    27.5
    Correct
    Wrong
  • 2
    30
    Correct
    Wrong
  • 3
    28.5
    Correct
    Wrong
  • 4
    22
    Correct
    Wrong
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Answer : 1. "27.5 "

Q:

The average of 5 consecutive integers starting with ‘M’ is ‘K’. What is the average of 6 consecutive integers stating with (m+1)?

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  • 1
    $$ {2K-3}\over 2$$
    Correct
    Wrong
  • 2
    $$ {2K+3}\over 2$$
    Correct
    Wrong
  • 3
    $$ {2K-5}\over 2$$
    Correct
    Wrong
  • 4
    $$ {2K+5}\over 2$$
    Correct
    Wrong
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Answer : 2. "$$ {2K+3}\over 2$$"

Q:

If Cost Price of 20 tables is equal to the Selling Price of 25 tables. Find the loss percentage.

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  • 1
    20%
    Correct
    Wrong
  • 2
    24%
    Correct
    Wrong
  • 3
    12%
    Correct
    Wrong
  • 4
    16%
    Correct
    Wrong
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Answer : 1. "20% "

Q:

The speed of two trains are in the ratio of 3:4. They are going in opposite directions along parallel tracks. If each takes 3 seconds to cross a telegraph post, find the time taken by the trains to cross each other completely?

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  • 1
    1 second
    Correct
    Wrong
  • 2
    3 second
    Correct
    Wrong
  • 3
    5 second
    Correct
    Wrong
  • 4
    7 second
    Correct
    Wrong
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Answer : 2. "3 second"

Q:

If bc+ab+ca=abc, then the value of $$ {b+c\over {bc(a-1)}}+{a-c\over {ac(b-1)}}+{a+b\over {ab(c-1)}}$$ is

1869 0

  • 1
    2
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    0
    Correct
    Wrong
  • 4
    $$ {-1\over {2}}$$
    Correct
    Wrong
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Answer : 2. "1"

Q:

In the following questions two equations numbered I and II are given. You have to solve both the equations and ____
I.\(x^2 -218 = 106\)
II.\(y^2 - 37y + 342 = 0\)
Give answer
(A) x > y
(B) x ≥ y
(C) x < y
(D) x ≤ y
(E) x=y or the relationship cannot be established

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  • 1
    A
    Correct
    Wrong
  • 2
    B
    Correct
    Wrong
  • 3
    C
    Correct
    Wrong
  • 4
    D
    Correct
    Wrong
  • 5
    E
    Correct
    Wrong
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Answer : 4. "D"

Q:

If   $$ {{x+1}\over4x}={5\over 2}$$ then what is the value of   $$ 64x^6+1\over 8x^3  $$

1869 0

  • 1
    110
    Correct
    Wrong
  • 2
    115
    Correct
    Wrong
  • 3
    125
    Correct
    Wrong
  • 4
    120
    Correct
    Wrong
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Answer : 2. "115"

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