Ruby MCQs with answers Page - 4

Here, you will find a collection of MCQ questions on Ruby. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. Which notation is used for Octal notation?

  • (A) s
  • (B) xnn
  • (C)
  • (D) n

A

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Q. Which of the following datatypes are valid in Ruby?

  • (A) Numbers
  • (B) String C
  • (C) Boolean
  • (D) All of the above

A

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Q. Why can not we use quotation marks ("or") with boolean?

  • (A) It indicates that we are talking about a string
  • (B) It indicates that we are assining a value
  • (C) It indicates that that we are replacing boolean data type with string data type
  • (D) None of the above

A

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Q. What is the sequence of ruby strings?

  • (A) 16-bit bytes
  • (B) 8-bit bytes
  • (C) 4-bit bytes
  • (D) None of the above

A

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Q. What is the output of the given code?

Code: 
my_string=Ruby
puts(my_string)
  • (A) Ruby
  • (B) Nil
  • (C) Error
  • (D) my_string

A

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Q. Which type of number(0b1011 ) is ?

  • (A) Octal
  • (B) Hexadecimal
  • (C) Binary
  • (D) Decimal

A

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Q. Objects of which class does the integer from the range -2^30 to 2^(30-1) belong to?

  • (A) Octal
  • (B) Bignum
  • (C) Fixnum
  • (D) Binary

A

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Q. Objects of which class does the integer from the range -2^60 to 2^(60-1) belong to?

  • (A) Octal
  • (B) Bignum
  • (C) Fixnum
  • (D) Binary

A

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Q. Which of the following is not type of operator in ruby?

  • (A) Arithmetic Operators
  • (B) Comparison Operators
  • (C) Similar operator
  • (D) Parallel Assignment

A

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Q. Which operator is used to find exponent in ruby?

  • (A) *
  • (B) **
  • (C) ^
  • (D) %

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