Practice Question and Answer

Q: What is String Args in Java? 1455 0

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Answer :
Explanation :

String Args (String []) is an array of parameters of type String. In Java, 'args' contains the supplied command-line arguments as an array of String objects. In other words, if you run your program as 'java MyProgram Hello World' then 'args' will contain ["Hello", "World"]. When a java class is executed from the console, the main method is what is called.

Q: Mica is available abundantly in 1852 0

  • 1
    Andhra Pradesh, Jharkand, Bihar
    Correct
    Wrong
  • 2
    Bihar, Gujarat, Telangana
    Correct
    Wrong
  • 3
    Andhra Pradesh, Karnataka, Jharkand
    Correct
    Wrong
  • 4
    Telangana, Andhra Pradesh, Bihar
    Correct
    Wrong
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Answer : 1. "Andhra Pradesh, Jharkand, Bihar"
Explanation :

Answer: A) Andhra Pradesh, Jharkand, Bihar Explanation: According to 2005 - 2006 census - Jharkand According to 2011 - 2012 census - Andhra Pradesh   are the highest producers of Mica in India.

Q: The value of Gold is determined in 1568 0

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Answer :
Explanation :

The gold prices in India are determined according to the international market in the following way: - The price of gold in USD is taken as a base price. Depending on the value of indian rupee as compared to USD (eg- 1 USD= ₹63), the price of gold is converted into rupees. - The import duties on gold are added to obtain the final price of gold.   Gold is a global commodity. In the international market, the price of gold is determined by the forces of demand and supply. Higher demand leads to higher price and vice versa. Higher supply leads to lower price and vice versa.

Q: The length of a class room floor exceeds its breadth by 25 m. The area of the floor remains unchanged when the length is decreased by 10 m but the breadth is increased by 8 m. The area of the floor is 1583 0

  • 1
    5100 sq.m
    Correct
    Wrong
  • 2
    4870 sq.m
    Correct
    Wrong
  • 3
    4987 sq.m
    Correct
    Wrong
  • 4
    4442 sq.m
    Correct
    Wrong
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Answer : 1. "5100 sq.m"
Explanation :

Answer: A) 5100 sq.m Explanation: Let the breadth of floor be 'b' m. Then, length of the floor is 'l = (b + 25)' Area of the rectangular floor = l x b = (b + 25) × b According to the question, (b + 15) (b + 8) = (b + 25) × b b2 + 8b + 15b + 120 = b2 + 25b 2b = 120 b = 60 m. l = b + 25 = 60 + 25 = 85 m.   Area of the floor = 85 × 60 = 5100 sq.m.

Q: A decision committee of 5 members is to be formed out of 4 Actors, 3 Directors and 2 Producers. In how many ways a committee of 2 Actors, 2 Directors and 1 Producer can be formed ? 2154 0

  • 1
    18
    Correct
    Wrong
  • 2
    24
    Correct
    Wrong
  • 3
    36
    Correct
    Wrong
  • 4
    32
    Correct
    Wrong
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Answer : 3. "36"
Explanation :

Answer: C) 36 Explanation: Required Number of ways = 4C2 × 3C2 × 2C1 = 36 = 36

Q: In India, planned economy is based on 4508 0

  • 1
    Mixed Economy System
    Correct
    Wrong
  • 2
    Capitalist System
    Correct
    Wrong
  • 3
    Gandhian System
    Correct
    Wrong
  • 4
    Socialist System
    Correct
    Wrong
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Answer : 4. "Socialist System"
Explanation :

Answer: D) Socialist System Explanation:

Q: Which is the Largest Organ in the Human Body? 1752 0

  • 1
    Heart
    Correct
    Wrong
  • 2
    Brain
    Correct
    Wrong
  • 3
    Skin
    Correct
    Wrong
  • 4
    Liver
    Correct
    Wrong
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Answer : 3. "Skin"
Explanation :

Answer: C) Skin Explanation: There are about 70 organs in the human body. The Top 10 largest organs in the human body based on size are: 1. Skin 2. Liver 3. Brain 4. Lungs 5. Heart 6. Kidneys 7. The Spleen 8. The Pancreas 9. Thyroxin 10. The Prostrate.

Q: Which Crop is Sown on the Largest Area in India? 6685 0

  • 1
    Wheat
    Correct
    Wrong
  • 2
    Barley
    Correct
    Wrong
  • 3
    Rice
    Correct
    Wrong
  • 4
    Maize
    Correct
    Wrong
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Answer : 3. "Rice"
Explanation :

Answer: C) Rice Explanation: India is the second largest producer of Rice in the World. Rice is the most cultivated crop in India. According to 2002-2003 census, about 33 million hectares of area in India was cultivated with Rice.

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