GATE Practice Question and Answer

Q: In a purse there are 30 coins, twenty one-rupee and remaining 50-paise coins. Eleven coins are picked simultaneously at random and are placed in a box. If a coin is now picked from the box, find the probability of it being a rupee coin? 6752 0

  • 1
    4/7
    Correct
    Wrong
  • 2
    2/3
    Correct
    Wrong
  • 3
    1/2
    Correct
    Wrong
  • 4
    5/6
    Correct
    Wrong
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Answer : 2. "2/3"
Explanation :

Answer: B) 2/3 Explanation: Total coins 30 In that, 1 rupee coins 20 50 paise coins 10Probability of total 1 rupee coins =  20C11 Probability that 11 coins are picked = 30C11 Required probability of a coin now picked from the box is 1 rupee = 20C11/30C11 = 2/3.

Q: Which of the following statements about Woodrow Wilson is true? 1995 0

  • 1
    He wanted to place strict government controls on corporations.
    Correct
    Wrong
  • 2
    He overturned discriminatory laws against African Americans.
    Correct
    Wrong
  • 3
    He advocated eliminating the income tax.
    Correct
    Wrong
  • 4
    He opposed reforms to the banking system.
    Correct
    Wrong
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Answer : 1. "He wanted to place strict government controls on corporations."
Explanation :

Answer: A) He wanted to place strict government controls on corporations. Explanation: Woodrow Wilson was one of the major "Progressives" in American government and so 'He wanted to place strict government controls on corporations.'

Q: The part of earth where life exists 1450 0

  • 1
    Biosphere
    Correct
    Wrong
  • 2
    Atmosphere
    Correct
    Wrong
  • 3
    Lithosphere
    Correct
    Wrong
  • 4
    Hydrosphere
    Correct
    Wrong
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Answer : 1. "Biosphere"
Explanation :

Answer: A) Biosphere Explanation: The part of the earth and its atmosphere in which living organisms exist or that is capable of supporting life is called Biosphere.

Q: Vision can be affected by drugs and alcohol making, especially difficult to distinguish 1141 0

  • 1
    Light
    Correct
    Wrong
  • 2
    Colors
    Correct
    Wrong
  • 3
    Distance
    Correct
    Wrong
  • 4
    Shapes
    Correct
    Wrong
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Answer : 2. "Colors"
Explanation :

Answer: B) Colors Explanation: Drinking alcohol can cause many damages to your body. Your vision can be affected as you will face blurred and double vision and even you can't identify colors.

Q: Who is the richest person in the world 2018? 1471 0

  • 1
    Jeff Bezos
    Correct
    Wrong
  • 2
    Bill Gates
    Correct
    Wrong
  • 3
    Warren Buffets
    Correct
    Wrong
  • 4
    Mark Zuckerberg
    Correct
    Wrong
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Answer : 1. "Jeff Bezos"
Explanation :

Answer: A) Jeff Bezos Explanation: Jeff Bezos is the richest person in modern history. The Amazon.com Inc. founder’s net worth broke $150 billion in New York on 16th July 2018 morning, according to the Bloomberg Billionaires Index.       That’s about $55 billion more than Microsoft Corp. co-founder Bill Gates, the world’s second-richest person.

Q: Sources of geothermal power are 1183 0

  • 1
    water
    Correct
    Wrong
  • 2
    earth's heat
    Correct
    Wrong
  • 3
    Both A & B
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 3. "Both A & B"
Explanation :

Answer: C) Both A & B Explanation: Geothermal power plants are used in order to generate electricity by the use of geothermal energy (the Earth's internal thermal energy). They essentially work the same as a coal or nuclear power plant, the main difference being the heat source. Geothermal power plants use hydrothermal resources that have both water (hydro) and heat (thermal). Geothermal power plants require high-temperature (300°F to 700°F) hydrothermal resources that come from either dry steam wells or from hot water wells.

Q: A calorie is another term for carbohydrate. 1695 0

  • 1
    TRUE
    Correct
    Wrong
  • 2
    FALSE
    Correct
    Wrong
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Answer : 2. "FALSE"
Explanation :

Answer: B) FALSE Explanation: The given statement that a calorie is another term for carbohydrate is False.   Carbohydrates are one of the main types of nutrients, and are most important source of energy.   Where as Calorie is a measurement of how much heat energy is generated by the body processing food.   Your digestive system changes carbohydrates into glucose(blood sugar). Your body uses this sugar for energy.

Q: Sociological analysis of religion is concerned with 1437 0

  • 1
    the purpose of life
    Correct
    Wrong
  • 2
    which religions are true and which are false
    Correct
    Wrong
  • 3
    learning the will of God
    Correct
    Wrong
  • 4
    patterns of religious activity and their effect on social life
    Correct
    Wrong
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Answer : 4. "patterns of religious activity and their effect on social life"
Explanation :

Answer: D) patterns of religious activity and their effect on social life Explanation: Sociology of religion is the study of the beliefs, practices and organizational forms of religion using the tools and methods of the discipline of sociology.   Hence, Sociological analysis of religion is concerned with patterns of religious activity and their effect on social life.

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