Aptitude Practice Question and Answer

Q:

$$ {x^{8}+4\over{x^{4}+2x^{2}+2}}$$ is equal to

687 0

  • 1
    $$ {x^{4}+2x^{2}-2}$$
    Correct
    Wrong
  • 2
    $$ {x^{4}-2x^{2}+2}$$
    Correct
    Wrong
  • 3
    $$ {x^{4}-2x^{2}-2}$$
    Correct
    Wrong
  • 4
    Can’t be simplified
    Correct
    Wrong
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Answer : 2. "$$ {x^{4}-2x^{2}+2}$$"

Q:

Directions: Study the following data and answer the questions. 

The score of students of a class are given as follows :

The number of students whose IQ score is 100 and more is 

687 0

  • 1
    29
    Correct
    Wrong
  • 2
    35
    Correct
    Wrong
  • 3
    36
    Correct
    Wrong
  • 4
    46
    Correct
    Wrong
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Answer : 2. "35 "

Q:

A triangle and a parallelogram are on the same base and between the same parallels. The ratio of the area of triangle and parallelogram is______. 

687 0

  • 1
    1 : 3
    Correct
    Wrong
  • 2
    1 : 2
    Correct
    Wrong
  • 3
    2 : 3
    Correct
    Wrong
  • 4
    3 : 4
    Correct
    Wrong
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Answer : 2. "1 : 2 "

Q:

Direction: In the following questions two equations numbered I and II are given. You have to solve both the equations and give answer.
(A) x>y
(B) x≥y
(C) x˂y
(D) x≤y
(E) x=y or the relations ship cannot be established

I. $$ {4x^2-4x-3=0}$$
II. $$ {4y^2+12y+5=0}$$

686 0

  • 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 : 5. "E"

Q:

If the length of a rectangle is increased by 10% and the area is unchanged, then how much percent does the breadth decrease?

686 0

  • 1
    $$ {100\over 11}{\%}$$
    Correct
    Wrong
  • 2
    $$ {100\over 9}{\%}$$
    Correct
    Wrong
  • 3
    9%
    Correct
    Wrong
  • 4
    10%
    Correct
    Wrong
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Answer : 1. "$$ {100\over 11}{\%}$$"

Q:

Tom follows Jerry. In the same time Tom jumps 8 times and Jerry jumps 6 times. But the distance that Tom travels after jumping 7 times is equal to the distance that Jerry goes after jumping 5 times. What is the ratio of the speed of Tom and Jerry?

685 0

  • 1
    48 : 35
    Correct
    Wrong
  • 2
    28 : 15
    Correct
    Wrong
  • 3
    24 : 20
    Correct
    Wrong
  • 4
    20 : 21
    Correct
    Wrong
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Answer : 4. "20 : 21"

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Answer : 2. "128"

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