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Ruby Questions Set 1:

Quiz Mode

How many types of variables are there in Ruby?

Solution:

Which file extension is commonly used for Ruby scripts?

.rp

.ruby

.rb

Solution:

Which keyword is used to start a program in Ruby?

BEGIN

START

Both 1 and 2

None of these

Solution:

How to represent a comment in Ruby?

# comment

=begin comment =end

Both 1 and 2

None of these

Solution:

Which symbol is used for creating a class variable in Ruby?

@variable

__variable

@@variable

None of these

Solution:

Which symbol is used for creating an instance variable in Ruby?

__variablename

@varname

$varname

!varname

Solution:

Which keyword in Ruby is used to reiterate a loop without checking any condition?

redo

iter

undo

None of these

Solution:

Which of the following programming languages is a pure object-oriented language?

Python

Ruby

JavaScript

All of the above

Solution:

What is the purpose of the "<=>" operator?

Returns zero if first operand is equal to second.

Returns negative if first operand is smaller than second.

Returns positive if first operand is greater than second.

All of the above.

Ruby Questions Set 1:

How many types of variables are there in Ruby?

Solution:

Which file extension is commonly used for Ruby scripts?

Solution:

Which keyword is used to start a program in Ruby?

Solution:

How to represent a comment in Ruby?

Solution:

Which symbol is used for creating a class variable in Ruby?

Solution:

Which symbol is used for creating an instance variable in Ruby?

Solution:

Which keyword in Ruby is used to reiterate a loop without checking any condition?

Solution:

Which of the following programming languages is a pure object-oriented language?

Solution:

What is the purpose of the "<=>" operator?

Solution:

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