Ruby MCQs with answers Page - 5

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Q. eql? Operator is used for?

  • (A) Used to test equality within a when clause of a case statement.
  • (B) if the receiver and argument have both the same type and equal values.
  • (C) if the receiver and argument have the same object id.
  • (D) All of the above

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Q. equal? Operator is used for?

  • (A) Used to test equality within a when clause of a case statement.
  • (B) if the receiver and argument have both the same type and equal values.
  • (C) if the receiver and argument have the same object id.
  • (D) All of the above

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Q. Which of the following is not a type of Bitwise Operators?

  • (A) <<
  • (B) ^
  • (C) ~
  • (D) None of the above

A

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Q. Guess the operator : If Condition is true ? Then value X : Otherwise value Y?

  • (A) Range Operators
  • (B) Ternary Operator
  • (C) Parallel Operator
  • (D) Arithmetic operator

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Q. In range operator ... is used for ?

  • (A) Creates a range from start point to end point inclusive.
  • (B) Creates a range from start point to end point exclusive.
  • (C) Creates a range from start point inclusive to end point exclusive.
  • (D) Creates a range from start point exclusive to end point inclusive.

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Q. .......... used for Creates a range from start point to end point exclusive.

  • (A) define
  • (B) define?
  • (C) defined?
  • (D) defined

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Q. Among the following which operator has highest Precedence?

  • (A) ::
  • (B) .
  • (C) []
  • (D) **

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Q. Among the following which operator has lowest Precedence?

  • (A) .
  • (B) ...
  • (C) >>
  • (D) ^

A

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

Code: 
boolean_var = 15 < 16 && 15 < 15
puts boolean_var
  • (A) TRUE
  • (B) FALSE
  • (C) Type Error
  • (D) Syntax Error

A

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

Code: 
num=4<<2
puts num
  • (A) 4
  • (B) 8
  • (C) 16
  • (D) 32

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