Ruby on Rails Multiple Choice Questions and Answers

1. Which of the following languages syntax matches with the Rubys syntax?

1. Perl
2. PHP
3. Jquery
4. Java

2. What is the extension used for saving the ruby file?

1. .ruby
2. .r
3. .rb
4. ry

3. What does the notation \b stands for?

1. Escape
2. Space
3. Backspace
4. Newline

4. What is the sequence of ruby strings?

1. 16-bit bytes
2. 8-bit bytes
3. 12-bit bytes
4. none of these

5. Which of the following is not a valid datatype in Ruby?

1. Float
2. Integer
3. Binary
4. Timedate

6. Which of the following is not a valid library function?

1. Puts
2. Print
3. Gets
4. Get

7. Why is the library function Puts used for?

1. Prints whatever is given and print it to the screen
2. Prints whatever is given and insert a new(blank) line
3. Gets input from the user
4. none of these

8. What is the output of the given code? print "Hi" puts "Welcome!"

1. Error
2. Hi Welcome!
3. Hi
4. Welcome!

9. For getting an input from the user which method is used?

1. gets
2. gets.chomp
3. gets-s
4. chomp

10. Which sequence can be used to substitute the value of any ruby expression in a string?

1. #(expr)
2. #{expr}
3. #expr
4. none of the above