Aptitude Practice Question and Answer

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Answer : 4. "244"

Q:

The selling prices of two articles are equal. If the first article is sold at a profit of 20% and the second article is sold at a loss of 20%, what will be the overall loss percentage?

668 0

  • 1
    4%
    Correct
    Wrong
  • 2
    3.5%
    Correct
    Wrong
  • 3
    2.5%
    Correct
    Wrong
  • 4
    2%
    Correct
    Wrong
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Answer : 1. "4%"

Q:

The length of the perpendiculars drawn from any point in the interior of an equilateral triangle to the respective sides are p1 , p2 and p3 . The length of each side of the triangle is

668 0

  • 1
    $${2\over \sqrt { 3}}+(p_1+p_2+p_3) $$
    Correct
    Wrong
  • 2
    $${1\over \sqrt { 3}}+(p_1+p_2+p_3) $$
    Correct
    Wrong
  • 3
    $${1\over \sqrt { 3}}+(p_1+p_2+p_3) $$
    Correct
    Wrong
  • 4
    $${4\over \sqrt { 3}}+(p_1+p_2+p_3) $$
    Correct
    Wrong
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Answer : 1. "$${2\over \sqrt { 3}}+(p_1+p_2+p_3) $$ "

Q:

If x = 332, y = 333, z = 335, then the value of x3 + y3 + z3 – 3xyz is

668 0

  • 1
    10000
    Correct
    Wrong
  • 2
    7000
    Correct
    Wrong
  • 3
    8000
    Correct
    Wrong
  • 4
    9000
    Correct
    Wrong
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Answer : 2. "7000 "

Q:

if $${{x^{24}+1}\over x^{12}}=7$$ then the value of   $${{x^{72}+1}\over x^{36}}$$ is

668 0

  • 1
    433
    Correct
    Wrong
  • 2
    322
    Correct
    Wrong
  • 3
    343
    Correct
    Wrong
  • 4
    432
    Correct
    Wrong
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Answer : 2. "322 "

Q:

Area of the floor of a cubical room is 64 m2. The length of the longest rod that can be kept in the room is:

668 0

  • 1
    $$16 \sqrt { 2} $$
    Correct
    Wrong
  • 2
    $$4 \sqrt { 3} $$
    Correct
    Wrong
  • 3
    $$12 \sqrt { 3} $$
    Correct
    Wrong
  • 4
    $$8 \sqrt { 3} $$
    Correct
    Wrong
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Answer : 4. " $$8 \sqrt { 3} $$"

Q:

In ∆PQR, ∠Q=90°. If cot $$R={1\over 3}$$, then what is the value of $${secP(cosR+sinP)\over cosec \ R(sinR-cosecP)} $$?

668 0

  • 1
    $${2\over 7} $$
    Correct
    Wrong
  • 2
    $$-{2\over 3}$$
    Correct
    Wrong
  • 3
    $$-{2\over 7}$$
    Correct
    Wrong
  • 4
    $${2\over 7}$$
    Correct
    Wrong
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Answer : 3. " $$-{2\over 7}$$"

Q:

If $$A={{2^7×3^7}}$$, $$B={{2^7×3^5}}$$ and $$C={{2^8×3^4}}$$, then what is the least common multiple of A, B and C?

667 0

  • 1
    $${{2^7×3^7}}$$
    Correct
    Wrong
  • 2
    $${{2^6×3^7}}$$
    Correct
    Wrong
  • 3
    $${{2^8×3^7}}$$
    Correct
    Wrong
  • 4
    $${{2^9×3^7}}$$
    Correct
    Wrong
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Answer : 3. "$${{2^8×3^7}}$$"

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