Aptitude Practice Question and Answer

Q:

If α and β are the roots of the equation x2 + x - 1 = 0, then what is the equation whose roots are and α5 and β

1227 0

  • 1
    $$x^2 - 11x - 1 = 0 $$
    Correct
    Wrong
  • 2
    $$x^2 + 11x - 1 = 0$$
    Correct
    Wrong
  • 3
    $$x^2 + 7x - 1 = 0 $$
    Correct
    Wrong
  • 4
    $$x^2 - 7x- 1 = 0 $$
    Correct
    Wrong
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Answer : 2. "$$x^2 + 11x - 1 = 0$$"

Q:

lf p + m = 6 and p3 + m3 = 72, then the value of pm is: 

1216 0

  • 1
    12
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    6
    Correct
    Wrong
  • 4
    9
    Correct
    Wrong
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Answer : 2. "8 "

Q:

A tourist spends daily as many rupees as the number of days of his total tour. If his total expenses were ₹ 361, then how many days did his tour last? 

1426 0

  • 1
    21 days
    Correct
    Wrong
  • 2
    31 days
    Correct
    Wrong
  • 3
    17 days
    Correct
    Wrong
  • 4
    19 days
    Correct
    Wrong
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Answer : 4. "19 days "

Q:

The number of integers in between 100 and 600, which are divisible by 4 and 6 both, is: 

1222 0

  • 1
    41
    Correct
    Wrong
  • 2
    50
    Correct
    Wrong
  • 3
    40
    Correct
    Wrong
  • 4
    42
    Correct
    Wrong
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Answer : 1. "41 "

Q:

Sum of the factors of 4b2c2-(b2+c2-a2)2 is : 

2912 0

  • 1
    0
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    a+b+c
    Correct
    Wrong
  • 4
    2(a+b+c)
    Correct
    Wrong
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Answer : 4. "2(a+b+c)"

Q:

Find the value of a and b if (x-1) and (x+1) are factors of x4+ax3-3x2+2x+b

946 0

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

Q:

If a-b=1 and a3-b3=61, then the value of ab will be 

1709 0

  • 1
    30
    Correct
    Wrong
  • 2
    60
    Correct
    Wrong
  • 3
    -20
    Correct
    Wrong
  • 4
    20
    Correct
    Wrong
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Answer : 4. "20"

Q:

If p=99, then the value of p(p2+3p+3) will be

1354 0

  • 1
    1000001
    Correct
    Wrong
  • 2
    999998
    Correct
    Wrong
  • 3
    999999
    Correct
    Wrong
  • 4
    1000000
    Correct
    Wrong
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Answer : 3. "999999"

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