GATE Practice Question and Answer

Q: Planets do not twinkle because 1945 0

  • 1
    Far distance
    Correct
    Wrong
  • 2
    Total internal reflection
    Correct
    Wrong
  • 3
    Refraction
    Correct
    Wrong
  • 4
    Near distance
    Correct
    Wrong
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Answer : 4. "Near distance"
Explanation :

Answer: D) Near distance Explanation: Stars twinkle because they’re so far away from Earth that when light from the stars passes through the atmosphere, it is bent countless times due to refraction, making it look like as if they were blinking. The sun and other planets doesn’t twinkle because it’s too close to Earth compared to other stars.

Q: What color does yellow and green make? 1943 0

  • 1
    Lime
    Correct
    Wrong
  • 2
    Ocean mist
    Correct
    Wrong
  • 3
    Maroon
    Correct
    Wrong
  • 4
    Tangerine
    Correct
    Wrong
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Answer : 1. "Lime"
Explanation :

Answer: A) Lime Explanation: Yellow and green color mix make a Lime color.   The three primary colors in additive mixing are red, green, and blue. In the absence of color or, when no colors are showing, the result is black. If all three primary colors are showing, the result is white. When red and green combine, the result is yellow. When red and blue combine, the result is magenta. When blue and green combine, the result is cyan.

Q: Two numbers are respectively 40% and 30% more than a third number. The second number expressed in terms of percentage of the first is ? 1941 0

  • 1
    92.8%
    Correct
    Wrong
  • 2
    84.23%
    Correct
    Wrong
  • 3
    87.14%
    Correct
    Wrong
  • 4
    94.1%
    Correct
    Wrong
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Answer : 1. "92.8%"
Explanation :

Answer: A) 92.8% Explanation: Here, x = 40 and y = 30;Therefore second number= [[100+y100+x] x 100 ]% of first number= [[100+y100+x] x 100 ]% of first numberSecond number = 92.8% of the first number.

Q: Which statement best describes the cold war in 1989? 1940 0

  • 1
    The coldwar started
    Correct
    Wrong
  • 2
    Atom bomb on USSR
    Correct
    Wrong
  • 3
    Glorious revolution occured
    Correct
    Wrong
  • 4
    Beginning of the end of cold war
    Correct
    Wrong
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Answer : 4. "Beginning of the end of cold war"
Explanation :

Answer: D) Beginning of the end of cold war Explanation: The Cold War started with building tensions between the US and the USSR during World War II. As Stalin began to annex more countries and spread communism throughout Eastern Europe, the US began to feel threatened and feared that they would start a war amongst the capitalist nations. The US started an attempt to limit the spread of communism and protect capitalism, which led to a series of passive aggressive and indirectly hostile exchanges between the two nations.   The beginning of the end of the cold war, the Berlin Wall came down. The USSR began to collapse the following year, in 1990.

Q: Madhu started a business and he invested in 76000, After some month, Amar came to join with him and invest 57000.The end of the year the total profit was divided among them into ratio form 2 : 1.Find after how many months Amar join. 1938 0

  • 1
    7 months
    Correct
    Wrong
  • 2
    8 months
    Correct
    Wrong
  • 3
    3 months
    Correct
    Wrong
  • 4
    4 months
    Correct
    Wrong
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Answer : 4. "4 months"
Explanation :

Answer: D) 4 months Explanation: we can assume that Amar join into business after x months. So Amar money was invest into  (12 – x ) months.   76000×1257000×(12-x)=21   --> 912000 = 114000 ( 12 – x ) = 114 ( 12 – x ) = 912 --> x = 4 After 4 months amar join the business.

Q: Boxing : Ring :: Wrestling : ? 1936 0

  • 1
    Ring
    Correct
    Wrong
  • 2
    Court
    Correct
    Wrong
  • 3
    Arena
    Correct
    Wrong
  • 4
    none of these
    Correct
    Wrong
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Answer : 3. "Arena"
Explanation :

Answer: C) Arena Explanation: Boxing is played in the ring whereas Wrestling is played in Arena.

Q: Who has been elected as Chairman and CEO of KPMG India in 2017 ? 1935 0

  • 1
    Richard Rekhy
    Correct
    Wrong
  • 2
    John Veihmeyer
    Correct
    Wrong
  • 3
    Subir Moitra
    Correct
    Wrong
  • 4
    Arun M Kumar
    Correct
    Wrong
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Answer : 4. "Arun M Kumar"
Explanation :

Answer: D) Arun M Kumar Explanation: KPMG in India announced the election of Arun M. Kumar as Chairman and Chief Executive Officer of the firm for a five-year term, on February 5, 2017.Arun Kumar succeeds Richard Rekhy, who led the firm as CEO for over four years. Arun Kumar was elected by the KPMG India Board and ratified by the India Partners. The firm executed a well-defined governance process for the selection of the CEO that aligns with the objective of building on its success as well as attracting the best talent available for this role. Arun Kumar brings a wealth of international leadership experience to KPMG India, including his tenure in public service in the United States for the last three years as Assistant Secretary of Commerce for Global Markets and Director General of US and Foreign Commercial Service in the Obama Administration.

Q: Which three components are common to all amino acids? 1935 0

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Answer :
Explanation :

Any two amino acids vary structure by the r-group, otherwise all amino acids are in the same structure. All amino acids have in common carboxyl group -COO , amino group -NH3+ and a hydrogen -H and a r-group which are all bonded to a central carbon.

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