What is the output of the given code? Ans=Ruby puts "#{Ans} is an oop language" puts "It is very efficient langauge" puts "#{expr} is used on rails platform"

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Question:
What is the output of the given code?

Ans=Ruby
    puts "#{Ans} is an oop language"
    puts "It is very efficient langauge"
    puts "#{expr} is used on rails platform"

1.Error, no output

2.Ruby is an oop language It is very efficient langauge undefined local variable

3.Ruby is an oop language It is very efficient langauge #{expr} is used on rails platform

4.None of the mentioned

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