Ruby interview questions part 8
Ruby interview questions part 8
Take as many assements as you can to improve your validate your skill rating
Total Questions: 20
1. Why is the library function ‘puts’used for?
Correct Answer is : Prints whatever is given and insert a new(blank) line
2. What is the output of the given code? print "Hey" puts "Everyone!" print "We are learning Ruby"
Correct Answer is : Hey Everyone
3. We use semicolon or parentheses after every print or puts statement.
Correct Answer is : FALSE
4. For getting an input from the user which method is used?
Correct Answer is : gets.chomp
5. What is the output of given code? puts "what is your first name?" name=gets.chomp puts "what is your surname?" surname=gets.chomp
Correct Answer is : What is your first name?
6. Which sequence can be used to substitute the value of any ruby expression in a string?
Correct Answer is : #{expr}
7. Why is gets not preferred instead of gets.chomp?
Correct Answer is : Gets add an extra new line while chomp removes it
8. first_name,Last_name=gets.chomp,gets.chomp is the correct way to get the input from the user.
Correct Answer is : TRUE
9. What is the output of the given code? print "What's your address" city,state,pin=gets.chomp,gets.chomp,gets.chomp puts "Iam from #{city} city, #{state} state, pincode: #{pin} "
Correct Answer is : What’s your address? Chennai
10. What is the output of the the given code? puts "My name is #{Name}"
Correct Answer is : Name variable not defined earlier
11. 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"
Correct Answer is : Ruby is an oop language
12. What is the output of the given code? Ans=Ruby puts "#[Ans] is an oop language"
Correct Answer is : Ruby is an oop language
13. Boolean opeartors are also known as logical operators.
Correct Answer is : TRUE
14. Which of the following is a valid boolean operator?
Correct Answer is : All of the mentioned
15. The boolean operator && only result in true when both the values are true?
Correct Answer is : TRUE
16. What will the following expression evaluate to? true && false
Correct Answer is : FALSE
17. What will be the output of the given code? boolean_1 = 77 < 78 && 77 < 77 puts boolean_1
Correct Answer is : FALSE
18. What will the following expression evaluate to? true || false
Correct Answer is : TRUE
19. What will the following expression evaluate to? (true && false) || (!true)
Correct Answer is : FALSE
20. What will the following expression evaluate to? !true && !false
Correct Answer is : FALSE
