GATE Practice Question and Answer

Q: In a certain code language, 'is uc he bh kr' mean 'Lucky likes to dance freely', 'ha by lm kr op' mean 'Dance can be a hobby', 'he id ac kr bh' mean 'Lucky teaches dance to kids' and 'kr id bh tw uc' mean 'Kids dance freely with Lucky'. Now answer the given question. 'Lucky likes to dance with kids' can be coded as ? 2250 0

  • 1
    he kr op id uc tw
    Correct
    Wrong
  • 2
    bh is he kr tw id
    Correct
    Wrong
  • 3
    ac tw op bh uc id
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 2. "bh is he kr tw id"
Explanation :

Answer: B) bh is he kr tw id Explanation: From given data, codes for Lucky - bh Likes - is to - he Dance - kr with - tw Kids - id Hence, Lucky like to dance with kids can be coded as 'bh is he kr tw id'.

Q: GUI stands for 2248 0

  • 1
    Graphical Universal Interface
    Correct
    Wrong
  • 2
    Graph Use Interface
    Correct
    Wrong
  • 3
    Graphical Unique Interface
    Correct
    Wrong
  • 4
    Graphical User Interface
    Correct
    Wrong
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Answer : 4. "Graphical User Interface"
Explanation :

Answer: D) Graphical User Interface Explanation: GUI stands for Graphical User Interface.   A Graphical User Interface is a computer interface that allows users to interact with a device through graphical elements such as pictures and animations, as opposed to text-based commands.

Q: The amount of water (in ml) that should be added to reduce 9 ml lotion, containing 50% alcohol, to a lotion containing 30% alcohol is ? 2248 0

  • 1
    6 ml
    Correct
    Wrong
  • 2
    11 ml
    Correct
    Wrong
  • 3
    15 ml
    Correct
    Wrong
  • 4
    9 ml
    Correct
    Wrong
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Answer : 1. "6 ml"
Explanation :

Answer: A) 6 ml Explanation: Let us assume that the lotion has 50% alcohol and 50% water.ratio = 1:1As the total solution is 9mlalcohol = water = 4.5mlNow if we want the quantity of alcohol = 30%The quantity of water = 70%The new ratio = 3:7Let x ml of water be addedWe get,4.54.5+x = 37=> x=6Hence 6ml of water is added.

Q: Sushma joins a job at 20 yrs. First 3 years salary is 10,000 p.a. Afterwards every year increment of 2,000 per year for 10 years. Then salary becomes constant till retirement. At retirement average salary is 25,000. (throughout career). At what age Sushma retires ? 2245 0

  • 1
    50 yrs
    Correct
    Wrong
  • 2
    47 yrs
    Correct
    Wrong
  • 3
    45 yrs
    Correct
    Wrong
  • 4
    42 yrs
    Correct
    Wrong
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Answer : 1. "50 yrs"
Explanation :

Answer: A) 50 yrs Explanation: Let age of retirement = Sso according to the given condition 25000(x-20)=10000 x 3 + 12000 + 14000 + 16000 + 18000 + 20000 + 22000 + 24000 + 26000 + 28000 + 30000 + 30000(S-33)= 30000 + 210000 + 30000S-990000= 30000S - 750000or 25000S - 500000 = 30000x - 750000or 5000x = 250000or S = 50 yrs.

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Answer : 2. "B"
Explanation :

Answer: B) B Explanation: The last sentence in the paragraph clearly gives support for the idea that the interest in Shakespeare is due to the development of his characters. Choice a is incorrect because the writer never makes this type of comparison. Choice c is wrong because even though scholars are mentioned in the paragraph, there is no indication that the scholars are compiling the anthology. Choice d is wrong because there is no support to show that most New Yorkers are interested in this work. There is no support for choice e either.

Q: Which is the point from where an azimuth originates? 2243 0

  • 1
    South
    Correct
    Wrong
  • 2
    North
    Correct
    Wrong
  • 3
    East
    Correct
    Wrong
  • 4
    West
    Correct
    Wrong
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Answer : 2. "North"
Explanation :

Answer: B) North Explanation: The azimuth originates at true North i.e, the azimuth originates from the north point. It is a measure of how far an object forms the observer's north point.   Azimuth is a technical mapping term which is used to describe the direction of an angle between north and south on a compass circle through which the circle line passes. It is the most common military method to express direction. When using an azimuth, the point from which the azimuth originates is the center of an imaginary circle.

Q: A man covers a distance of 1200 km in 70 days resting 9 hours a day, if he rests 10 hours a day and walks with speed 1½ times of the previous in how many days will he cover 840 km ? 2242 0

  • 1
    39 days
    Correct
    Wrong
  • 2
    37 days
    Correct
    Wrong
  • 3
    35 days
    Correct
    Wrong
  • 4
    33 days
    Correct
    Wrong
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Answer : 3. "35 days"
Explanation :

Answer: C) 35 days Explanation: Distance d = 1200kmlet S be the speed he walks 15 hours a day(i.e 24 - 9)so totally he walks for 70 x 15 = 1050hrs. S = 1200/1050 => 120/105 = 24/21 => 8/7kmph given 1 1/2 of previous speedso 3/2 * 8/7= 24/14 = 12/7 New speed = 12/7kmph Now he rests 10 hrs a day that means he walks 14 hrs a day. time = 840 x 7 /12 => 490 hrs=> 490/14 = 35 days So he will take 35 days to cover 840 km.

Q: Choose the antonym of the word given from the following options ? MUNDANE 2236 0

  • 1
    Extraordinary
    Correct
    Wrong
  • 2
    Regular
    Correct
    Wrong
  • 3
    Visionary
    Correct
    Wrong
  • 4
    Routine
    Correct
    Wrong
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Answer : 1. "Extraordinary"
Explanation :

Answer: A) Extraordinary Explanation:

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