Practice Question and Answer

Q: What is the function of an intent filter? 2775 0

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Answer :
Explanation :

Because every component needs to indicate which intents they can respond to, intent filters are used to filter out intents that these components are willing to receive. One or more intent filters are possible, depending on the services and activities that is going to make use of it.

Q: A man saves 20% of his monthly salary. If an account of dearness of things he is to increase his monthly expenses by 15%, he is only able to save Rs. 400 per month. What is his monthly salary ? 2775 0

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    Rs. 6000
    Correct
    Wrong
  • 2
    Rs. 4500
    Correct
    Wrong
  • 3
    Rs. 5000
    Correct
    Wrong
  • 4
    Rs. 6500
    Correct
    Wrong
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Answer : 3. "Rs. 5000"
Explanation :

Answer: C) Rs. 5000 Explanation: Income = Rs. 100 Expenditure = Rs. 80 Savings = Rs. 20 Present Expenditure 80x(15/100) = Rs. 12 = 80 + 12 = Rs. 92 Present Savings = 100 – 92 = Rs. 8 100 ------ 8? --------- 400 => 5000 His salary = Rs. 5000

Q:

वह तत्त्व जो प्रकृति में नहीं पाया जाता किंतु जिसका निर्माण कृत्रिम तरीके से किया जा सकता है ? 

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    थोरियम
    Correct
    Wrong
  • 2
    रेडियम
    Correct
    Wrong
  • 3
    प्लूटोनियम
    Correct
    Wrong
  • 4
    यूरेनियम
    Correct
    Wrong
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Answer : 3. "प्लूटोनियम "

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Answer : 2. "15"

Q: Which of the following is a microeconomic statement? 2774 0

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    The price of personal computers declined last year.
    Correct
    Wrong
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    Unemployment was 6.8 percent of the labor force last year.
    Correct
    Wrong
  • 3
    The real domestic output increased by 2.5 percent last year.
    Correct
    Wrong
  • 4
    The general price level increased by 4 percent last year.
    Correct
    Wrong
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Answer : 1. "The price of personal computers declined last year."
Explanation :

Answer: A) The price of personal computers declined last year. Explanation:

Q: The process of encoding refers to 2774 0

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    getting information into memory.
    Correct
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    the recall of information previously learned.
    Correct
    Wrong
  • 3
    a clear memory of an emotionally significant event.
    Correct
    Wrong
  • 4
    the persistence of learning over time.
    Correct
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Answer : 1. "getting information into memory."
Explanation :

Answer: A) getting information into memory. Explanation: Encoding refers to the getting information into memory.

Q: Which of the following is not soluble in water? 2774 0

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    copper(II) hydroxide
    Correct
    Wrong
  • 2
    sodium chloride
    Correct
    Wrong
  • 3
    silver nitrate
    Correct
    Wrong
  • 4
    potassium sulfate
    Correct
    Wrong
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Answer : 1. "copper(II) hydroxide"
Explanation :

Answer: A) copper(II) hydroxide Explanation: Sodium chloride: The solubility rules tell you that all halides are soluble with the exception of those formed with siver, mercury, and lead ions. Since this is not the case here, sodium chloride will be soluble.   Silver nitrate: It is soluble because all nitrates are soluble, without exception.   Potassium sulfate: It is soluble because all sulfates are soluble with the exception of those formed with silver, calcium, barium, mercury, lead, and strontium ions.   Copper (II) hydroxyde: It is insoluble because all hydroxides are insoluble with the exception of those formed with alkali metal ions and barium.

Q:

एक धातु की शुद्धता को किसकी मदद से निर्धारित किया जा सकता है 

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  • 1
    पास्कल का नियम
    Correct
    Wrong
  • 2
    बॉयल का नियम
    Correct
    Wrong
  • 3
    आर्किमिडीज सिद्धांत
    Correct
    Wrong
  • 4
    द्रव्यमान संरक्षण का सिद्धांत
    Correct
    Wrong
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Answer : 3. "आर्किमिडीज सिद्धांत "

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