Aptitude Practice Question and Answer

Q:

In a moter of 120 machine parts, 5 % parts were defective, in another motor of 80 machine parts, 10 % parts were defective. For the two motors considered together, the percentage of defective machine parts were 

888 0

  • 1
    6.5
    Correct
    Wrong
  • 2
    7.5
    Correct
    Wrong
  • 3
    7
    Correct
    Wrong
  • 4
    8
    Correct
    Wrong
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Answer : 3. "7"

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Answer : 4. "6200 "

Q:

If "basis points" are defined so that 1 percent is equal to 100 basis points, then by how many basis points is 82.5 percent greater than 62.5 percent. 

822 0

  • 1
    0.2
    Correct
    Wrong
  • 2
    200
    Correct
    Wrong
  • 3
    2000
    Correct
    Wrong
  • 4
    20
    Correct
    Wrong
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Answer : 3. "2000"

Q:

In an office, 40 % of the staff is female. 70 % of the female staff and 50 % of the male staff are married. The percentage of the unmarried staff in the office is 

1124 0

  • 1
    65 %
    Correct
    Wrong
  • 2
    60 %
    Correct
    Wrong
  • 3
    42 %
    Correct
    Wrong
  • 4
    64 %
    Correct
    Wrong
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Answer : 3. "42 % "

Q:

The strength of a school increases and decreases in every alternate year by 10 %. It started with increase in 2000, then the strength of the school in 2003 as compared to that in 2000 was : 

1892 0

  • 1
    increased by 9.8 %
    Correct
    Wrong
  • 2
    decreased by 9.8 %
    Correct
    Wrong
  • 3
    increased by 8.9 %
    Correct
    Wrong
  • 4
    decreased by 8.9 %
    Correct
    Wrong
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Answer : 3. "increased by 8.9 % "

Q:

The difference between the value of the number increased by 20 % and the value of the number decreased by 25 % is 36. Find the number. 

1129 0

  • 1
    720
    Correct
    Wrong
  • 2
    80
    Correct
    Wrong
  • 3
    7.2
    Correct
    Wrong
  • 4
    0.8
    Correct
    Wrong
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Answer : 2. "80"

Q:

If X is 20% less than Y, then find the value of $${Y-X\over Y}$$ and $${X\over X-Y }$$

1014 0

  • 1
    $${3\over5},-{3\over5}$$
    Correct
    Wrong
  • 2
    $${1\over5},-4$$
    Correct
    Wrong
  • 3
    $$5,-{1\over4}$$
    Correct
    Wrong
  • 4
    $${2\over5},-{5\over2}$$
    Correct
    Wrong
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Answer : 2. "$${1\over5},-4$$"

Q:

25% of 120 + 40% of 380 = ? of 637

1337 0

  • 1
    $${4\over7}$$
    Correct
    Wrong
  • 2
    $${2\over7}$$
    Correct
    Wrong
  • 3
    $${3\over7}$$
    Correct
    Wrong
  • 4
    $${1\over7}$$
    Correct
    Wrong
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Answer : 2. "$${2\over7}$$"

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