GATE Practice Question and Answer

Q: If the first and third letters in the word NECESSARY were interchanged, also the fourth and the sixth letters, and the seventh and the ninth letters, which of the follwing would be the seventh letter from the left ? 1190 0

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    E
    Correct
    Wrong
  • 2
    S
    Correct
    Wrong
  • 3
    R
    Correct
    Wrong
  • 4
    Y
    Correct
    Wrong
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Answer : 4. "Y"
Explanation :

Answer: D) Y Explanation: we interchange the positions of the letters as shown below:                                    The new letter sequence is CENSSEYRA.Clearly, the seventh letter from the left is Y.

Q: Which international organization has declared 2017 as the “International Year of Sustainable Tourism for Development”? 828 0

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    Asian Development Bank (AD
    Correct
    Wrong
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    B) World Trade Organisation (WTO)
    Correct
    Wrong
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    United Nations (UN)
    Correct
    Wrong
  • 4
    International Monetary Fund (IMF)
    Correct
    Wrong
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Answer : 3. "United Nations (UN)"
Explanation :

Answer: C) United Nations (UN) Explanation: The United Nations (UN) has declared 2017 as the "International Year of Sustainable Tourism for Development" to celebrate and advance the commitment of the tourism division to building a superior world.The International Year aims to support a change in policies, business practices and consumer behavior towards a more sustainable tourism sector that can contribute effectively to the Sustainable Development Goals (SDGs).

Q: "Good Samaritan Policy" has been launched by which state / union territory government? 3897 0

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    Delhi
    Correct
    Wrong
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    Karnataka
    Correct
    Wrong
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    Telangana
    Correct
    Wrong
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    Gujarath
    Correct
    Wrong
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Answer : 1. "Delhi"
Explanation :

Answer: A) Delhi Explanation: The Delhi government has recently approved 'Good Samaritan Policy' under which monetary incentive of Rs 2,000 and appreciation certificate will be given to people who help road accident victims in the national capital. The scheme is intended to encourage people to take accident victims in emergency situation to hospitals so that someone’s life could be saved.

Q: Name the IT firm which has created two tools My Business and Digital Unlocked for the small and medium businesses in India, that would help to create an online presence? 1944 0

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    Google
    Correct
    Wrong
  • 2
    Facebook
    Correct
    Wrong
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    Yahoo
    Correct
    Wrong
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    Microsoft
    Correct
    Wrong
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Answer : 1. "Google"
Explanation :

Answer: A) Google Explanation:

Q: Looking at a portrait of a man, Akhil said, "His mother is the wife of my father's son. Brothers and sisters I have none." At whose portrait was Akhil looking ? 1175 0

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    His uncle
    Correct
    Wrong
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    His nephew
    Correct
    Wrong
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    His cousin
    Correct
    Wrong
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    His son
    Correct
    Wrong
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Answer : 4. "His son"
Explanation :

Answer: D) His son Explanation: Since Akhil has no brother or sister, so he is his father's only son.So wife of Akhil's father's son---Akhil's wife.Thus, Akhil's wife is the man's mother or the man is Akhil's son.

Q: In a competitive examination, the average marks for the entire examination was 60 marks. If 20% of the applicants scored 85 marks and 25% scored 95 marks. What was the average marks of the remaining applicants in the examination ? 1229 0

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    60
    Correct
    Wrong
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    52
    Correct
    Wrong
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    45
    Correct
    Wrong
  • 4
    35
    Correct
    Wrong
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Answer : 4. "35"
Explanation :

Answer: D) 35 Explanation: Let the total applicants be 100   Then, 20% got 85 marks i.e 20 x 85 = 1700   and 25% got 95 marks  i.e 25 x 95 = 2375   Now, the remaining applicants are 55 and let the average marks scored by them be x.   Therefore, 2375 + 1700 + 55x  =  60×100  6000 - 4075 = 55x 55x=1925 x=35.

Q: 50 men can build a tank in 40days, but though they begin the work together, 5 men quit every ten days. The time needed to build the tank is ? 1300 0

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    50 days
    Correct
    Wrong
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    48 days
    Correct
    Wrong
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    47.5 days
    Correct
    Wrong
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    49 days
    Correct
    Wrong
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Answer : 1. "50 days"
Explanation :

Answer: A) 50 days Explanation: 50 men can build a tank in 40 days  Assume 1 man does 1 unit of work in 1 day Then the total work is 50×40 = 2000 units   50 men work in the first 10 days and completes 50×10 = 500 units of work 45 men work in the next 10 days and completes 45×10 = 450 units of work 40 men work in the next 10 days and completes 40×10 = 400 units of work 35 men work in the next 10 days and completes 35×10 = 350 units of work So far 500 + 450 + 400 + 350 = 1700 units of work is completed and   Remaining work is 2000 - 1700 = 300 units   30 men work in the next 10 days. In each day, they does 30 units of work.   Therefore, additional days required = 300/30 =10   Thus, total 10+10+10+10+10 = 50 days required.

Q: Karthik read 613 th of a book in 1st week and 59 th of the remaining book in 2nd week. If there were 100 pages unread after 2nd week, how many pages were there in the book ? 1990 0

  • 1
    404
    Correct
    Wrong
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    415
    Correct
    Wrong
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    418
    Correct
    Wrong
  • 4
    420
    Correct
    Wrong
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Answer : 3. "418"
Explanation :

Answer: C) 418 Explanation: Let the total book be 1 Then, in the 1st week 613th of book is read i.e remaining pages =  1-613=713 in 2nd week he read 59th of it i.e 59×713=35117Remaining pages after 2nd week = 713-35117=28117 But given remaining pages after 2nd week = 100   28x117=100 --> x = 418   The total pages in the book are 418

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