Aptitude Practice Question and Answer

Q:

∠A, ∠B, ∠C are three angles of a triangle. If ∠A -∠B =18°, ∠B – ∠C = 45°, then, ∠B, ∠A and ∠C are

1360 0

  • 1
    69° ,88° , 24°
    Correct
    Wrong
  • 2
    69°, 88°, 23°
    Correct
    Wrong
  • 3
    69°, 87°, 24°
    Correct
    Wrong
  • 4
    69°, 89°, 22°
    Correct
    Wrong
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Answer : 3. "69°, 87°, 24°"

Q:

Find the LCM of x and (x+3).

1135 0

  • 1
    x(x+3)
    Correct
    Wrong
  • 2
    x2(x+3)
    Correct
    Wrong
  • 3
    (x+3)
    Correct
    Wrong
  • 4
    x
    Correct
    Wrong
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Answer : 1. "x(x+3)"

Q:

23+ 3+33+333+3.33=?

1797 0

  • 1
    395.33
    Correct
    Wrong
  • 2
    372.33
    Correct
    Wrong
  • 3
    702
    Correct
    Wrong
  • 4
    702.33
    Correct
    Wrong
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Answer : 1. "395.33"

Q:

When the integer n is divided by 7, the remainder is 3. What is the remainder if 5n divided by 7?

1360 0

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

Q:

What is the value of 300°?

1161 0

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

Q:

What is the value of $${\sqrt{1-cosA\over{1+cosA}}}$$?

1210 0

  • 1
    cosecA-sinA
    Correct
    Wrong
  • 2
    cosecA+cotA
    Correct
    Wrong
  • 3
    secA-cotA
    Correct
    Wrong
  • 4
    secA+cotA
    Correct
    Wrong
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Answer : 1. "cosecA-sinA"

Q:

Simplify $$ ({Sinθ\over{1+cosθ}}+{1+cosθ\over sinθ})({1\over (tanθ+cotθ)})$$

1104 0

  • 1
    $$ {cos{\ θ}}$$
    Correct
    Wrong
  • 2
    $$ {2sin{\ θ}}$$
    Correct
    Wrong
  • 3
    $$ {sin{\ θ}}$$
    Correct
    Wrong
  • 4
    $$ {2cos{\ θ}}$$
    Correct
    Wrong
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Answer : 4. "$$ {2cos{\ θ}}$$"

Q:

ΔPQR is right angled at Q. If cos P = 3/5, then what is the value of cos R?

1226 0

  • 1
    $$ {3\over4}$$
    Correct
    Wrong
  • 2
    $$ {5\over3}$$
    Correct
    Wrong
  • 3
    $$ {4\over5}$$
    Correct
    Wrong
  • 4
    $$ {4\over3}$$
    Correct
    Wrong
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Answer : 3. "$$ {4\over5}$$"

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