Practice Question and Answer

Q: A substance that cannot be broken down into simpler substances 2012 0

  • 1
    Heterogenous mixure
    Correct
    Wrong
  • 2
    Compound
    Correct
    Wrong
  • 3
    Homogenous mixture
    Correct
    Wrong
  • 4
    Element
    Correct
    Wrong
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Answer : 4. "Element"
Explanation :

Answer: D) Element Explanation: A substance that cannot be decomposed (broken down) into simpler substances by ordinary chemical means. Examples: gold, iron, carbon, hydrogen, oxygen, nitrogen. Material composed of only one kind of matter throughout (same atoms or same molecules).

Q: Which is a reserved word in the java programming language? 2012 0

  • 1
    Variable
    Correct
    Wrong
  • 2
    Identifier
    Correct
    Wrong
  • 3
    Keyword
    Correct
    Wrong
  • 4
    Main
    Correct
    Wrong
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Answer : 3. "Keyword"
Explanation :

Answer: C) Keyword Explanation: Reserved words are words that cannot be used as object or variable names in a Java program because they're already used by the syntax of the Java programming language. Java reserved words are keywords that are reserved by Java functions or other uses that cannot be used as identifiers (e.g., variable names, function names, class names). If a reserved word was used as a variable you would get an error or unexpected result.   Examples : Int, Long, Abstract, Class, Break, Catch, Case, Public, Static, Void,...

Q: Sakshi can do a piece of work in 20 days. Tanya is 25% more efficient than Sakshi. The number of days taken by Tanya to do the same piece of work is: 2012 0

  • 1
    15
    Correct
    Wrong
  • 2
    16
    Correct
    Wrong
  • 3
    18
    Correct
    Wrong
  • 4
    25
    Correct
    Wrong
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Answer : 2. "16"

Q:

Which of the following is a perfect square as well as a cube ? 

2011 0

  • 1
    81
    Correct
    Wrong
  • 2
    125
    Correct
    Wrong
  • 3
    343
    Correct
    Wrong
  • 4
    64
    Correct
    Wrong
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Answer : 4. "64"

Q:

Which is the largest commercial bank in India?

2011 0

  • 1
    Bank of India
    Correct
    Wrong
  • 2
    Axis Bank
    Correct
    Wrong
  • 3
    State Bank of India
    Correct
    Wrong
  • 4
    HDFC
    Correct
    Wrong
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Answer : 3. "State Bank of India "

Q:

Select the most appropriate word to fill in the blank.

______ there were no buses, we had to take a taxi.

2011 0

  • 1
    Although
    Correct
    Wrong
  • 2
    Since
    Correct
    Wrong
  • 3
    Even if
    Correct
    Wrong
  • 4
    Hence
    Correct
    Wrong
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Answer : 2. "Since"

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Answer : 3. "1125 "

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