Aptitude Practice Question and Answer

Q:

Area of the triangle formed by the graph of the straight lines x - y = 0, x + y = 2 and the x-axis is: 

1191 0

  • 1
    2 sq units
    Correct
    Wrong
  • 2
    4 sq units
    Correct
    Wrong
  • 3
    1 sq unit
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 3. "1 sq unit "

Q:

What is the equation of the line whose y-intercept is -3/4 and making an angle of 45 ° with the positive x-axis? 

1191 0

  • 1
    4x - 4y = -3
    Correct
    Wrong
  • 2
    3x - 3y = 4
    Correct
    Wrong
  • 3
    4x - 4y = 3
    Correct
    Wrong
  • 4
    3x - 3y = -4
    Correct
    Wrong
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Answer : 3. "4x - 4y = 3 "

Q:

The LCM of three different numbers is 120. Which of the following cannot be their HCF? 

1191 0

  • 1
    24
    Correct
    Wrong
  • 2
    35
    Correct
    Wrong
  • 3
    8
    Correct
    Wrong
  • 4
    12
    Correct
    Wrong
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Answer : 2. "35 "

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Answer : 2. "540"

Q:

If x, y are two positive real number and  $$x^{1/3}=y^{1/4}$$, then which of the following relations is true?

1190 0

  • 1
    $$x=y^3$$
    Correct
    Wrong
  • 2
    $$x^{20}=y^{15}$$
    Correct
    Wrong
  • 3
    $$x^3=y^4$$
    Correct
    Wrong
  • 4
    $$x^3=y$$
    Correct
    Wrong
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Answer : 2. " $$x^{20}=y^{15}$$"

Q:

3x2 = 36 then what is the value of x?

1190 0

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

Q:

Given k = -3. Find the value of $$ {k^3+3k}$$. 

1190 0

  • 1
    -36
    Correct
    Wrong
  • 2
    36
    Correct
    Wrong
  • 3
    37
    Correct
    Wrong
  • 4
    -37
    Correct
    Wrong
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Answer : 1. "-36 "

Q:

Find the HCF of 3341 and 3328.

1190 0

  • 1
    257
    Correct
    Wrong
  • 2
    13
    Correct
    Wrong
  • 3
    337
    Correct
    Wrong
  • 4
    31
    Correct
    Wrong
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Answer : 2. "13"

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