Aptitude Practice Question and Answer

Q:

The area of a triangle is 456 sq.cm and its height is 24 cm. The length of its base is

1371 0

  • 1
    32
    Correct
    Wrong
  • 2
    34
    Correct
    Wrong
  • 3
    36
    Correct
    Wrong
  • 4
    38
    Correct
    Wrong
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Answer : 4. "38"

Q:

In an examination, 92% of the students passed and 480 students failed. If so, how many students appeared in the examination?

1371 0

  • 1
    5800
    Correct
    Wrong
  • 2
    6200
    Correct
    Wrong
  • 3
    6000
    Correct
    Wrong
  • 4
    5000
    Correct
    Wrong
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Answer : 3. "6000"
Explanation :

Let's denote the total number of students who appeared in the examination as 𝑥x.

Given that 92% of the students passed, it means 8% failed because the total percentage is 100%.

We can set up the equation:

8% of 𝑥=4808% of x=480

To find 8% of 𝑥x, we multiply 𝑥x by 81001008 (which is the same as multiplying by 0.08):

0.08𝑥=4800.08x=480

Now, we can solve for 𝑥x:

𝑥=4800.08x=0.08480𝑥=6000x=6000

So, 6000 students appeared in the examination.


Q:

A person who spends $$ 16{2\over3}\% $$ of  his income is able to save 1200 per month. His monthly expenses (in) is:  

1371 0

  • 1
    1,200
    Correct
    Wrong
  • 2
    2,400
    Correct
    Wrong
  • 3
    3,000
    Correct
    Wrong
  • 4
    3,200
    Correct
    Wrong
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Answer : 2. "2,400 "

Q:

A tap can fill the tank in 8 hours and another can empty it in 16 hours. If both the taps are opened simultaneously, the time (in hours) to fill the tank is__.

1371 0

  • 1
    18 hours
    Correct
    Wrong
  • 2
    16 hours
    Correct
    Wrong
  • 3
    8 hours
    Correct
    Wrong
  • 4
    10 hours
    Correct
    Wrong
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Answer : 2. "16 hours"

Q:

Mr. Kulbhushan spends 35% of his income on food, 25% on transportation and 80% of the remaining on house rent. What percent of his income he is left with?

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  • 1
    20 %
    Correct
    Wrong
  • 2
    12 %
    Correct
    Wrong
  • 3
    8%
    Correct
    Wrong
  • 4
    33 %
    Correct
    Wrong
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Answer : 3. "8%"

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Answer : 4. "380"

Q:

The average weight of 24 students is 35 kg. If the weight of teacher is added the average increased by 400 gram. What is the weight of the teacher?

1370 0

  • 1
    46 kg
    Correct
    Wrong
  • 2
    45 kg
    Correct
    Wrong
  • 3
    64 kg
    Correct
    Wrong
  • 4
    36 kg
    Correct
    Wrong
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Answer : 2. "45 kg"

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