GATE Practice Question and Answer

Q: What was the day of the week on 17th June, 1998 ? 4976 7

  • 1
    Monday
    Correct
    Wrong
  • 2
    Tuesday
    Correct
    Wrong
  • 3
    Wednesday
    Correct
    Wrong
  • 4
    Friday
    Correct
    Wrong
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Answer : 3. "Wednesday"
Explanation :

Answer: C) Wednesday Explanation: 17th June, 1998 = (1997 years + Period from 1.1.1998 to 17.6.1998)Odd days in 1600 years = 0Odd days in 300 years = 197 years has 24 leap years + 73 ordinary years.Number of odd days in 97 years ( 24 x 2 + 73) = 121 = 2 odd days.Jan. Feb. March. April. May. June.(31 + 28 + 31 + 30 + 31 + 17) = 168 days168 days = 24 weeks = 0 odd day.Total number of odd days = (0 + 1 + 2 + 0) = 3.Given day is Wednesday.

Q: Vaunt : Flaunt :: Disparate : ? 4966 0

  • 1
    Similar
    Correct
    Wrong
  • 2
    Homogenous
    Correct
    Wrong
  • 3
    Contrast
    Correct
    Wrong
  • 4
    Alike
    Correct
    Wrong
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Answer : 3. "Contrast"
Explanation :

Answer: C) Contrast Explanation: Vaunt - Vaunt means to boast or to praise about something excessively. Flaunt - Flaunt also means to boast about something or to praise something.   Flaunt is the synonym of the word Vaunt.   Disparate - Disparate means essentially different in its kind or unlike or not able to be compared. Then the required word is the synonym of Disparate.   Here in the given options, Contrast is the only word which is similar in meaning of Disparate.   Hence, Vaunt : Flaunt :: Disparate : Contrast.

Q: Which of these relationships is true of an uncharged atom? 4966 0

  • 1
    The atomic mass is equal to the atomic number.
    Correct
    Wrong
  • 2
    The number of electrons is equal to the number of neutrons.
    Correct
    Wrong
  • 3
    The number of protons is equal to the number of electrons.
    Correct
    Wrong
  • 4
    The atomic mass is equal to the number of electrons.
    Correct
    Wrong
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Answer : 3. "The number of protons is equal to the number of electrons."
Explanation :

Answer: C) The number of protons is equal to the number of electrons. Explanation: The number of protons is equal to the number of electrons. That is the number of positive charges is equal to the number of negative charges.

Q: Pen is to poet as needle is to 4958 0

  • 1
    Sewing
    Correct
    Wrong
  • 2
    Thread
    Correct
    Wrong
  • 3
    Tailor
    Correct
    Wrong
  • 4
    Button
    Correct
    Wrong
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Answer : 3. "Tailor"
Explanation :

Answer: C) Tailor Explanation: Here Pen is a tool which is used to write and poet uses it. Then, the needle is a tool which is used to stitch and it is used by Tailor. Except tailor, none of the other options is a person to use it.   Hence, Pen : Poet :: Needle : Tailor

Q: A man reaches his office 20 min late, if he walks from his home at 3 km per hour and reaches 30 min early if he walks 4 km per hour. How far is his office from his house ? 4953 0

  • 1
    20 km
    Correct
    Wrong
  • 2
    16 km
    Correct
    Wrong
  • 3
    14 km
    Correct
    Wrong
  • 4
    10 km
    Correct
    Wrong
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Answer : 4. "10 km"
Explanation :

Answer: D) 10 km Explanation: Let distance = x km.Time taken at 3 kmph : dist/speed = x/3 = 20 min late.time taken at 4 kmph : x/4 = 30 min earlierdifference between time taken : 30-(-20) = 50 mins = 50/60 hours.x/3- x/4 = 50/60x/12 = 5/6x = 10 km.

Q: Which Word Does Not Belong with the Others 4953 0

  • 1
    VDU
    Correct
    Wrong
  • 2
    Speakers
    Correct
    Wrong
  • 3
    Plotter
    Correct
    Wrong
  • 4
    Joystick
    Correct
    Wrong
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Answer : 4. "Joystick"
Explanation :

Answer: D) Joystick Explanation: Here Joystick is the word doesn't belong with the others. Because Except Joystick all others are Output Devices whereas Joystick is Input Device. VDU - Visual Display Unit - Monitor to display Speakers - Output sound Plotter - used to produce single or multiple colored images.

Q: SI unit of equivalent conductance 4934 0

  • 1
    ohm/cm
    Correct
    Wrong
  • 2
    Siemens m2/equivalent
    Correct
    Wrong
  • 3
    Siemens/equivalent
    Correct
    Wrong
  • 4
    mho/cm
    Correct
    Wrong
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Answer : 2. "Siemens m2/equivalent"
Explanation :

Answer: B) Siemens m2/equivalent Explanation: Equivalent conductance is defined as the conductance of an electrolyte solution containing one gram equivalent of the electrolyte. It is equal to the product of specific conductance (k) of the solution and the volume (V) of the solution that contains one gram equivalent of the electrolyte.    λ = k x V   Unit of spceific conductance k is Siemens / m. Volume of the solution V is m3 Now, required equivalent conductance unit is Siemens.m2/equivalent .

Q: 56% of 225 + 20% of 150 = ? - 109   Find the value of '?' in the above equation 4925 0

  • 1
    264
    Correct
    Wrong
  • 2
    220
    Correct
    Wrong
  • 3
    241
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 1. "264"
Explanation :

Answer: A) 264 Explanation: Given 56% of 225 + 20% of 150 = ? - 109 we know that a% of b = b% of a Now, 225% of 56 + 20% of 150 = ? - 109 200% of 56 + 25% of 56 + 20% of 150 = ? - 109 112 + 14 + 30 = ? - 109 ? = 112 + 14 + 30 + 109 ? = 264

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