Aptitude Practice Question and Answer

Q:

The square root of a positive number less than 100 lies between

1337 0

  • 1
    0 and 1000
    Correct
    Wrong
  • 2
    0 and 10
    Correct
    Wrong
  • 3
    -10 and 10
    Correct
    Wrong
  • 4
    -100 and 100
    Correct
    Wrong
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Answer : 3. "-10 and 10"

Q:

If the square root of 841 is 29, then square root of 0.00000841 is equal to:

847 0

  • 1
    0.029
    Correct
    Wrong
  • 2
    0.0029
    Correct
    Wrong
  • 3
    0.00029
    Correct
    Wrong
  • 4
    0.29
    Correct
    Wrong
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Answer : 2. "0.0029"

Q:

The value of   $$2+\sqrt{0.09}-{^3\sqrt{0.008}}-75\% $$ of 2.80 is:

729 0

  • 1
    0
    Correct
    Wrong
  • 2
    0.01
    Correct
    Wrong
  • 3
    -1
    Correct
    Wrong
  • 4
    0.001
    Correct
    Wrong
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Answer : 1. "0"

Q:

The sum of square of three positive integers is 323. If the sum of squares of two numbers is twice the third, their product is

838 0

  • 1
    255
    Correct
    Wrong
  • 2
    260
    Correct
    Wrong
  • 3
    265
    Correct
    Wrong
  • 4
    270
    Correct
    Wrong
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Answer : 1. "255"

Q:

The sum of three numbers is 252. If the first number is thrice the second and third number is two-third of the first, then the second number is

845 0

  • 1
    41
    Correct
    Wrong
  • 2
    21
    Correct
    Wrong
  • 3
    42
    Correct
    Wrong
  • 4
    84
    Correct
    Wrong
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Answer : 3. "42"

Q:

A complete factorization of x4+64 is 

818 0

  • 1
    $$\left(x^2+8 \right)^2 \ $$
    Correct
    Wrong
  • 2
    $$\left(x^2+8 \right) \ (x^2-8)$$
    Correct
    Wrong
  • 3
    $$\left(x^2-4x+8 \right) \ (x^2-4x-8)$$
    Correct
    Wrong
  • 4
    $$\left(x^2+4x+8 \right) \ (x^2-4x+8)$$
    Correct
    Wrong
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Answer : 4. "$$\left(x^2+4x+8 \right) \ (x^2-4x+8)$$"

Q:

If p3 – q3 = (p-q)[(p-q)2+xpq)] then the value of x is

986 0

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

Q:

If $$\sqrt { 3}=1.732$$ then the find the value of $${9+2{ \sqrt { 3}}}\over  \sqrt { 3}$$  

1022 0

  • 1
    7.169
    Correct
    Wrong
  • 2
    7.196
    Correct
    Wrong
  • 3
    5.198
    Correct
    Wrong
  • 4
    7.296
    Correct
    Wrong
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Answer : 2. "7.196"

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