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प्र: 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? 6786 0

  • 1
    4/7
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  • 2
    2/3
    सही
    गलत
  • 3
    1/2
    सही
    गलत
  • 4
    5/6
    सही
    गलत
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उत्तर : 2. "2/3"
व्याख्या :

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.

प्र: Which of the following statements about Woodrow Wilson is true? 2031 0

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

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.'

प्र: The part of earth where life exists 1480 0

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    Biosphere
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  • 2
    Atmosphere
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  • 3
    Lithosphere
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  • 4
    Hydrosphere
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उत्तर : 1. "Biosphere"
व्याख्या :

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.

प्र: Vision can be affected by drugs and alcohol making, especially difficult to distinguish 1162 0

  • 1
    Light
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  • 2
    Colors
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  • 3
    Distance
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  • 4
    Shapes
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उत्तर : 2. "Colors"
व्याख्या :

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.

प्र: Who is the richest person in the world 2018? 1495 0

  • 1
    Jeff Bezos
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  • 2
    Bill Gates
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  • 3
    Warren Buffets
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  • 4
    Mark Zuckerberg
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उत्तर : 1. "Jeff Bezos"
व्याख्या :

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.

प्र: Sources of geothermal power are 1212 0

  • 1
    water
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  • 2
    earth's heat
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  • 3
    Both A & B
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  • 4
    None of the above
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उत्तर : 3. "Both A & B"
व्याख्या :

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.

प्र: A calorie is another term for carbohydrate. 1720 0

  • 1
    TRUE
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  • 2
    FALSE
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उत्तर : 2. "FALSE"
व्याख्या :

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.

प्र: Sociological analysis of religion is concerned with 1461 0

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    the purpose of life
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  • 2
    which religions are true and which are false
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  • 3
    learning the will of God
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  • 4
    patterns of religious activity and their effect on social life
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उत्तर : 4. "patterns of religious activity and their effect on social life"
व्याख्या :

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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