Aptitude Practice Question and Answer

Q:

What is the value of positive square root of $$\ 14+ 6\sqrt{5}\ $$?

3180 1

  • 1
    $$\ 3+ \sqrt { 5} \ $$
    Correct
    Wrong
  • 2
    $$\ 3- \sqrt { 5} \ $$
    Correct
    Wrong
  • 3
    $$\ 5+ \sqrt { 3} \ $$
    Correct
    Wrong
  • 4
    $$\ 5- \sqrt { 3} \ $$
    Correct
    Wrong
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Answer : 1. "$$\ 3+ \sqrt { 5} \ $$"

Q:

What will come in place of the question mark (?) in each of the following series?

15     19    83   119     631     (?)

3175 0

  • 1
    731
    Correct
    Wrong
  • 2
    693
    Correct
    Wrong
  • 3
    712
    Correct
    Wrong
  • 4
    683
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 1. "731"

Q:

Ratio of the principal and the amount after 5 year is 10:12. Then the rate of interest per annum is 

3168 0

  • 1
    8%
    Correct
    Wrong
  • 2
    20%
    Correct
    Wrong
  • 3
    12%
    Correct
    Wrong
  • 4
    16%
    Correct
    Wrong
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Answer : 2. "20% "

Q: A sum of Rs. 1600 gives a simple interest of Rs. 252 in 2 year and 3 months. The rate of interest per annum is : 3154 0

  • 1
    $$5{1\over2}\%$$
    Correct
    Wrong
  • 2
    8%
    Correct
    Wrong
  • 3
    7%
    Correct
    Wrong
  • 4
    6%
    Correct
    Wrong
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Answer : 3. "7%"
Explanation :

Q: A wheel can travel 22 km. in 100 rounds. Find the radius of that wheel. 3153 0

  • 1
    42 mtr
    Correct
    Wrong
  • 2
    28 mtr.
    Correct
    Wrong
  • 3
    35 mtr
    Correct
    Wrong
  • 4
    49 mtr
    Correct
    Wrong
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Answer : 3. "35 mtr"

Q:

If the least common multiple of two numbers, 1728 and K is 5184, then how many values of K are possible? 

3138 0

  • 1
    6
    Correct
    Wrong
  • 2
    7
    Correct
    Wrong
  • 3
    11
    Correct
    Wrong
  • 4
    8
    Correct
    Wrong
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Answer : 2. "7"

Q:

Find k, if the line 2x - 3y = 11 is perpendicular to the line 3x + ky = -4? 

3126 0

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

Q:

Speed of train B is 20% more than speed of train A and length of train A and B is 720 meters and 600 meters respectively. If both trains running in opposite direction cross each other in 24 second, then find speed of trains B (in km/hr)?

3125 0

  • 1
    160
    Correct
    Wrong
  • 2
    84
    Correct
    Wrong
  • 3
    144
    Correct
    Wrong
  • 4
    108
    Correct
    Wrong
  • 5
    90
    Correct
    Wrong
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Answer : 4. "108"

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