Ruby interview questions part 4
Ruby interview questions part 4
Take as many assements as you can to improve your validate your skill rating
Total Questions: 20
1. What is the output of the given code? a = 5 b=10 while a <10 && b<20 puts a*b a+=2 b+=2 end
Correct Answer is : 50 84 126
2. What is the output of the given code? a= 5 b=10 while a <10 && b<20 puts a-b a+=2 b+=2 end
Correct Answer is : -5 -5 -5
3. What is the output of the given code? a = 5 b=10 while a <10 || b<20 puts a*b a+=2 b+=2 end
Correct Answer is : 50 84 126 176 234
4. What is the output of the given code? a = 5 b=10 while (a <10 || b<20)&&true puts a*b a+=2 b+=2 end
Correct Answer is : 50 84 126 176 234
5. Ruby is an object oriented general purpose programming language.
Correct Answer is : TRUE
6. Which of the following is supported by Ruby?
Correct Answer is : All of the Mentioned
7. Which of the following features does the 2.0 version of ruby supports?
Correct Answer is : All of the mentioned
8. Which of the following languages syntax matches with the Ruby’s syntax?
Correct Answer is : Perl
9. What is the extension used for saving the ruby file?
Correct Answer is : .rb extension
10. Which of the following are valid floating point literal?
Correct Answer is : 0.5
11. Ruby can be embedded into Hypertext Markup Language(HTML).
Correct Answer is : TRUE
12. It is must for Ruby to use a compiler.
Correct Answer is : FALSE
13. Ruby can be used for developing internet and intranet applications.
Correct Answer is : TRUE
14. Why do we use comments?
Correct Answer is : All of the mentioned
15. Which of the following type of comments are valid in ruby?
Correct Answer is : All of the mentioned
16. How to comment multiple lines in ruby?
Correct Answer is : Using multiline comments
17. How to comment a single line?
Correct Answer is : Using #
18. This the right way to comment a single line. “Ruby”.length # I’m a single line comment!
Correct Answer is : TRUE
19. What is the output of the given code? “Ruby”.length #to find the length of given string
Correct Answer is : 4
20. The following is the correct way to use multiline comment. = begin # comment = end
Correct Answer is : FALSE
