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CSE MCQs :: Ruby Programming MCQs

Ruby Programming MCQs - Ruby Programming Ruby Basics
Ruby Programming MCQs - Ruby Programming Arrays, Hashes
Ruby Programming MCQs - Ruby Programming Conditional Statements
Ruby Programming MCQs - Ruby Programming Mathematic Operations, Loops
  1. What is the output of the given code?

    counter = 2
    while counter < 68
      puts counter
      counter**=2
      end
    2. A.
    2 4 16 64
    B.
    2 4 16
    C.
    2 4 16 256
    D.
    None of the mentioned

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  2. What is the output of the given code?

    a="string"
    b="strings"
    if(a==b)
        print ("a and b are same")
    else 
        print "Not same"
    end
    3. A.
    a and b are same
    B.
    Not same
    C.
    a==b
    D.
    None of the mentioned

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  3. What is the output of the given code?

    m= 0
    loop do
        m += 1
        print m
        break if m == 10
    end
    4. A.
    12345678910
    B.
    1 2 3 4
    C.
    2 3 4 5
    D.
    None of the mentioned

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  4. What is the output of the given code?

    for num in 1..5
      puts num*num
    endx
    5. A.
    12345678910
    B.
    1 2 3 4
    C.
    1 4 9 16 25
    D.
    None of the mentioned

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  5. What will be the output of the given code?

    boolean_1 = 77 less than 78 && 77 less than 77
    puts boolean_1
    6. A.
    True
    B.
    False
    C.
    Error
    D.
    None of the mentioned

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  6. What will the following expression evaluate to? true || false
    7. A.
    True
    B.
    False
    C.
    Error
    D.
    None of the mentioned

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  7. What is the output of the given code?

    a="hungry"
    until !a
    puts "hungry"
    a=!a
    end
    8. A.
    hungry
    B.
    Nil
    C.
    Error
    D.
    None of the mentioned

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  8. What is the output of the given code?

    m= 8
    loop do
        m += 2
        puts m
        break if m == 16
    end
    9. A.
    10 12 14 16
    B.
    Nil
    C.
    Error
    D.
    None of the mentioned

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  9. What is the output of the given code?

    i = 3
    while i > 0 do
      print i
      i -= 1
    end
    10. A.
    3
    B.
    321
    C.
    Infinite loop
    D.
    3 2 1 0

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  10. What is the output of the given code?

    a = 5
    b=10
    while a
      puts a*b
      a+=2
      b-=2
      end
    11. A.
    5 10
    B.
    50 56
    C.
    Infinite loop
    D.
    5 6 7 8 9 10

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