Aptitude Practice Question and Answer

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Answer : 3. "40000 "

Q: Ram can complete ¼ th part of work in 8 days and Shyam can complete 2/4 th of the work in 6 days and Naresh can complete ¾th the work in 12 days. In how many days can they together complete it? 3186 1

  • 1
    \(6 {11 \over 17 }\)
    Correct
    Wrong
  • 2
    \(5 {11 \over 17 }\)
    Correct
    Wrong
  • 3
    \(8 {11 \over 17 }\)
    Correct
    Wrong
  • 4
    \(7 {11 \over 17 }\)
    Correct
    Wrong
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Answer : 2. "\(5 {11 \over 17 }\)"

Q:

In solving a problem, one student makes a mistake in the coefficient of the first degree term and obtains – 9 and – 1 for the roots. Another student makes a mistake in the constant term of the equation and obtains 8 and 2 for the roots. The correct equation was 

3184 0

  • 1
    x2 + 10x + 9 = 0
    Correct
    Wrong
  • 2
    x2 – 10x = 16 = 0
    Correct
    Wrong
  • 3
    x2 – 10x + 9 = 0
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 3. "x2 – 10x + 9 = 0"

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Answer : 1. "90% "

Q:

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

3182 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: 260-metre-long train can cross a wall of 120 metre in 19 seconds. What is the speed of train in km/hr? 3182 1

  • 1
    27
    Correct
    Wrong
  • 2
    49
    Correct
    Wrong
  • 3
    72
    Correct
    Wrong
  • 4
    70
    Correct
    Wrong
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Answer : 3. "72"

Q:

In the given figure, AB, AE, EF, FG and GB are semicircles. AB=56 cm and AE=EF=FG=GB. What is the area (in cm2) of the shaded region?

3182 0

  • 1
    414.46
    Correct
    Wrong
  • 2
    382.82
    Correct
    Wrong
  • 3
    406.48
    Correct
    Wrong
  • 4
    394.24
    Correct
    Wrong
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Answer : 4. "394.24"

Q:

A watch which gains uniformly is 4 minutes slow at 9 A.M on Sunday and is 4-minute 15 sec. fast at 9 P.M on the upcoming Friday. When was it correct? 

3181 0

  • 1
    1 A.M Wednesday
    Correct
    Wrong
  • 2
    1 P.M Monday
    Correct
    Wrong
  • 3
    2 A.M Thursday
    Correct
    Wrong
  • 4
    6 P.M Tuesday
    Correct
    Wrong
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Answer : 1. "1 A.M Wednesday "

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