Aptitude Practice Question and Answer

Q: Father’s age after five years will be three times of his son’s age, while this father’s age before five years was seven times of his son’s age. Find father’s age at present. 1701 0

  • 1
    35
    Correct
    Wrong
  • 2
    40
    Correct
    Wrong
  • 3
    50
    Correct
    Wrong
  • 4
    45
    Correct
    Wrong
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Answer : 2. "40"

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Answer : 2. "25:1"

Q:

At what time between 7 and 8 o'clock will the hands of a clock be in the same straight line but, not together?

1701 0

  • 1
    5 min. past 7
    Correct
    Wrong
  • 2
    $$5{2\over 11} $$ minutes past 7
    Correct
    Wrong
  • 3
    $$5{3\over 11} $$ minutes past 7
    Correct
    Wrong
  • 4
    $$5{5\over 11} $$ minutes past 7
    Correct
    Wrong
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Answer : 4. "$$5{5\over 11} $$ minutes past 7 "

Q: The ratio of the number of boys and girls in a school is 3:2. If 20% of the boys and 25% of the girls are scholarship holders, what percentage of the students does not get the scholarship? 1701 0

  • 1
    56
    Correct
    Wrong
  • 2
    70
    Correct
    Wrong
  • 3
    78
    Correct
    Wrong
  • 4
    80
    Correct
    Wrong
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Answer : 3. "78"

Q:

If  $$ {2\ sinθ-cos θ\over {cosθ+sinθ}}=1$$, then value of cotθ is:

1701 0

  • 1
    $$ {1\over2}$$
    Correct
    Wrong
  • 2
    $$ {1\over3}$$
    Correct
    Wrong
  • 3
    3
    Correct
    Wrong
  • 4
    2
    Correct
    Wrong
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Answer : 1. "$$ {1\over2}$$"

Q:

In a class, the average score of girls in an examination is 73 and that of boys is 71. The average score for the whole class is 71.8. Find the percentage of girls. 

1700 0

  • 1
    40 %
    Correct
    Wrong
  • 2
    50 %
    Correct
    Wrong
  • 3
    55 %
    Correct
    Wrong
  • 4
    60 %
    Correct
    Wrong
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Answer : 1. "40 % "

Q:

A Navy captain going away from a lighthouse at the speed of 4[(73) -1] m/s. He observes that it takes him 1 minute to change the angle of elevation of the top of the lighthouse from 60 ° to 45 °. What is the height (in meters) of the lighthouse? 

1700 0

  • 1
    360√3
    Correct
    Wrong
  • 2
    280√2
    Correct
    Wrong
  • 3
    240√3
    Correct
    Wrong
  • 4
    480[(√3)-1]
    Correct
    Wrong
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Answer : 3. "240√3 "

Q:

The LCM of two numbers is 12 times their HCF. The sum of the HCF and the LCM is 403. If one of the number is 93, then the other number is. 

1699 0

  • 1
    124
    Correct
    Wrong
  • 2
    128
    Correct
    Wrong
  • 3
    134
    Correct
    Wrong
  • 4
    138
    Correct
    Wrong
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Answer : 1. "124 "

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