Ruby Programming Questions and Answers – The Else Conditional Statement

This set of Ruby Programming Multiple Choice Questions & Answers (MCQs) focuses on “The Else Conditional Statement”.

1. What is the use of else statement?
a) When the if condition is false then the next else condition will get executed
b) When the if condition is false then the elsif condition will get executed
c) When the if condition is false and if else condition is true then only it will get executed
d) None of the mentioned
View Answer

2. Is the following syntax correct?

if conditional 
   code...
   elsif conditional 
   code..
   else
   code
   end

a) True
b) False
View Answer

3. What is the output of the given code?

if 1>2
   puts "false"
   else
   puts "True"

a) False
b) True
c) Syntax error
d) None of the mentioned
View Answer

Output:
Syntax error

4. What is the output of the code?

 if 1>2
   puts "false"
   end
   else
   puts "True"
   end

a) False
b) True
c) Syntax error
d) None of the mentioned
View Answer

Output:
Syntax error

5. What is the output of the code?

variable=true
   if variable
   puts "true"
   else
   puts "false"
   end

a) False
b) True
c) Syntax error
d) None of the mentioned
View Answer

Output:
True

6. What is the output of the code?

 variable="true".reverse
   if variable
   puts "true"
   else
   puts "false"
   end

a) False
b) True
c) Syntax error
d) None of the mentioned
View Answer

Output:
True

7. What is the output of the code?

variable=true
   if !variable
   puts "true"
   else
   puts "false"
   end

a) False
b) True
c) Syntax error
d) None of the mentioned
View Answer

Output:
False

8. What is the output of the code?

variable="true".length
   if variable
   puts "true"
   else
   puts "false"
   end

a) False
b) True
c) Syntax error
d) 4
View Answer

Output:
True

9. Which of the following is valid conditional statement?
a) else
b) els
c) if else
d) None of the mentioned
View Answer

10. What is the output of given code?

 counter=1
    if counter<=5
    puts (counter)
    counter=counter+1
    else 
    puts(counter)
    counter=counter-1
    end

a) 1, 2
b) 1,2,3,4,5
c) 1 2 1
d) 1
2
View Answer

Output:
1
2

11. What is the output of given code?

#counter=1
    if counter<=5
    puts (counter)
    counter=counter+1
    else 
    puts(counter)
    counter=counter-1
    end

a) Undefined local variable counter
b) 1,2,3,4,5
c) 1 2 1
d) 1
2
View Answer

Output:
Undefined local variable counter

12. It is necessary that always if should come with else block?
a) True
b) False
View Answer

Sanfoundry Global Education & Learning Series – Ruby Programming.

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