Ruby

Which of the following datatypes are valid in Ruby?

• Numbers

• Boolean

• String

• All of the mentioned

What will any variable evaluate to if it is of Boolean data type?

• True

• Nil

• False

• Either True or False

Why can not we use quotation marks (‘ or “) with boolean?

• It indicates that we are talking about a string

• It indicates that we are assigning a value

• It indicates that that we are replacing boolean data type with string data type

• None of the mentioned

Ruby is a case-sensitive language.

• True

• False

Ruby can deal with both numbers and floating point values.

• True

• False

What does the notation \b stands for?

• Escape

• Space

• Backspace

• Newline

What is the sequence of ruby strings?

• 16-bit bytes

• 8-bit bytes

• 10-bit bytes

• None of the mentioned

What is the output of the given code?

my_string=Ruby

puts(my_string)

• Ruby

• Nil

• Error

• None of the mentioned

Which of the following is not a valid datatype?

• Float

• Integer

• Binary

• Timedate

Ruby is an object oriented general purpose programming language.

• True

• False