Aptitude Practice Question and Answer

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Answer : 2. "342"

Q:

The volume of a cuboid is 2 times the volume of a cube. If the dimensions of the side are 9 cm by 8 cm and 6 cm, then the total surface area of the cube is

856 0

  • 1
    32 sq cm
    Correct
    Wrong
  • 2
    216 sq cm
    Correct
    Wrong
  • 3
    435 sq cm
    Correct
    Wrong
  • 4
    108 sq cm
    Correct
    Wrong
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Answer : 2. "216 sq cm"

Q:

If m + n = 1, then what will be the value of m³ + n³ + 3mn?

856 0

  • 1
    0
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    2
    Correct
    Wrong
  • 4
    3
    Correct
    Wrong
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Answer : 2. "1"

Q:

If $${secθ+tanθ\over secθ-tanθ}={5\over 3}$$ then sinθ is equal to ;

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

Q:

$$x+{1\over x}=2$$ and x is real, then the value of $$x^{17}+{1\over x^{19}}$$ is

855 0

  • 1
    1
    Correct
    Wrong
  • 2
    0
    Correct
    Wrong
  • 3
    2
    Correct
    Wrong
  • 4
    -2
    Correct
    Wrong
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Answer : 3. "2"

Q:

cosA(sec A – cosA)(cotA+tanA)=?

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  • 1
    tan A
    Correct
    Wrong
  • 2
    cot A
    Correct
    Wrong
  • 3
    sec A
    Correct
    Wrong
  • 4
    sin A
    Correct
    Wrong
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Answer : 1. "tan A"

Q:

If in a triangle, the circumcenter, incentre, centroid and orthocenter coincide, then the triangle is

854 0

  • 1
    Acute angled
    Correct
    Wrong
  • 2
    Isosceles
    Correct
    Wrong
  • 3
    Right angled
    Correct
    Wrong
  • 4
    Equilateral
    Correct
    Wrong
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Answer : 4. "Equilateral"

Q:

A number is first decreased by 10% and then increased by 10%. The number so obtained is 50 less than the original number. The original number is:

854 0

  • 1
    5900
    Correct
    Wrong
  • 2
    5000
    Correct
    Wrong
  • 3
    5500
    Correct
    Wrong
  • 4
    5050
    Correct
    Wrong
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Answer : 2. "5000"

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