Aptitude Practice Question and Answer

Q:

In the following questions two equations numbered I and II are given. You have to solve both the equations and ____
I.\(x^2 -218 = 106\)
II.\(y^2 - 37y + 342 = 0\)
Give answer
(A) x > y
(B) x ≥ y
(C) x < y
(D) x ≤ y
(E) x=y or the relationship cannot be established

1869 0

  • 1
    A
    Correct
    Wrong
  • 2
    B
    Correct
    Wrong
  • 3
    C
    Correct
    Wrong
  • 4
    D
    Correct
    Wrong
  • 5
    E
    Correct
    Wrong
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Answer : 4. "D"

Q:

If   $$ {{x+1}\over4x}={5\over 2}$$ then what is the value of   $$ 64x^6+1\over 8x^3  $$

1869 0

  • 1
    110
    Correct
    Wrong
  • 2
    115
    Correct
    Wrong
  • 3
    125
    Correct
    Wrong
  • 4
    120
    Correct
    Wrong
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Answer : 2. "115"

Q: The average of first three numbers is three times of the fourth number. If the average of all four numbers is 5, then find the fourth number. 1869 0

  • 1
    4.5
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    2
    Correct
    Wrong
  • 4
    4
    Correct
    Wrong
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Answer : 4. "4"
Explanation :

undefined

Q:

If bc+ab+ca=abc, then the value of $$ {b+c\over {bc(a-1)}}+{a-c\over {ac(b-1)}}+{a+b\over {ab(c-1)}}$$ is

1869 0

  • 1
    2
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    0
    Correct
    Wrong
  • 4
    $$ {-1\over {2}}$$
    Correct
    Wrong
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Answer : 2. "1"

Q:

A certain sum increases by 50 % in 5 years. Three sums x, y and z are lent for 10, 15 and 20 years respectively. If amount on each sum is equal, then find the ratio of x, y and z. 

1869 0

  • 1
    6 : 5 : 4
    Correct
    Wrong
  • 2
    9 : 4 : 6
    Correct
    Wrong
  • 3
    9 : 6 : 5
    Correct
    Wrong
  • 4
    9 : 6 : 4
    Correct
    Wrong
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Answer : 4. "9 : 6 : 4 "

Q:

One of the four angles of a rhombus is 60°. If the length of each side of the rhombus is 8 cm, then the length of the longer diagonal is 

1868 0

  • 1
    8√3 cm
    Correct
    Wrong
  • 2
    8 cm
    Correct
    Wrong
  • 3
    4√3 cm
    Correct
    Wrong
  • 4
    16√3 cm
    Correct
    Wrong
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Answer : 1. "8√3 cm"

Q:

A shopkeeper bought goods for Rs. 2025. He sold $$ {1\over 5}$$ th of it at 20% profit and the remaining at the profit of 5%, the profit per cent on the whole is

1868 0

  • 1
    6%
    Correct
    Wrong
  • 2
    7%
    Correct
    Wrong
  • 3
    6.5%
    Correct
    Wrong
  • 4
    8%
    Correct
    Wrong
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Answer : 4. "8%"

Q:

A distance is covered by a cyclist at a certain speed. If a jogger covers half the distance in double the time, the ratio of the speed of the jogger to that of the cyclist is 

1868 0

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

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