Ruby Programming Questions and Answers – The If Conditional Statement

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

1. The following syntax is correct for if conditional statement.

 if condition
    code
   end

a) True
b) False
View Answer

2. If expression.
The expression can be of which type?
a) True
b) Any number
c) Any string
d) All of the mentioned
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3. What error does the if condition gives if not terminated with end statement?
a) Syntax error
b) Unexpected end
c) Expecting keyword end
d) All of the mentioned
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4. What is the output of the following?

if 1<2
   print "one is less than two"
   end

a) One is less than two
b) Syntax error
c) 1<2
d) None of the mentioned
View Answer

Output:
One is less than two

5. What is the output of the code?

 if 11<2
   print "Eleven is less than two"
   end
   print "11 is greater"

a) 11 is greater
b) Eleven is less than two
c) Eleven is less than two 11 is greater
d) None of the mentioned
View Answer

Output:
11 is greater

6. What is the output of the given code?

if 11>2
   puts "Eleven is greater than two"
   end
   print "You'r right"

a) Eleven is greater than two
b) You’r right
c) Eleven is greater than two
You’r right
d) None of the mentioned
View Answer

Output:
Eleven is greater than two
You'r right

7. What is the output of the given code?

if 79>78
   puts "True".upcase
   if 9>8
   puts "True".reverse
   if 7==7
   puts "equal".downcase
   end
   end
   end

a) True
b) True eurt
c) TRUE
eurT
equal
d) equal
View Answer

Output:
TRUE
eurT
equal

8. What is the output of the given code?

if 79>78
   puts "True".upcase
   if 9>8
   puts "True".Upcase
   if 7==7
   puts "equal".downcase
   end
   end
   end

a) True
b) Error
c) True,error
d) TRUE
Undefined method `Upcase’ for String
View Answer

Output:
TRUE
Undefined method `Upcase' for String

9. If statement inside if statement is called Nested if statements.
a) True
b) False
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10. What is the output of the given code?

x=1
    if x > 2
    puts "x is greater than 2"
    elsif x <= 2 and x!=0
    puts "x is 1"
    else
    puts "I can't guess the number"
    end

a) x is greater than 2
b) x is 1
c) I can’t guess the number
d) None of the mentioned
View Answer

Output:
x is 1

11. It’s a good habit to give two spaces between if statement and condition.
a) True
b) False
View Answer

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