Ruby Online Quizzes - Section 6

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

 if condition
    code
   end

1. True
2. False

2. If expression.
The expression can be of which type?

1. True
2. Any number
3. Any string
4. All of the mentioned

3.What error does the if condition gives if not terminated with end statement?

1. Syntax error
2. Expecting keyword end
3. Unexpected end
4. All of the mentioned

4.What is the output of the following?

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

1. One is greater than two
2. Syntax error
3. One is less than two
4. None of the mentioned

5. What is the output of the code?

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

1. Eleven is less than two
2. 11 is greater
3. Eleven is less than two 11 is greater
4. None of the mentioned

6. What is the output of the given code?

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

1. Eleven is greater than two
2.Eleven is greater than two
You’r right
3. You’r right
4. None of the mentioned

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   

1. True
2. True eurt
3. equal
4. 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

1. True,Error
2. TRUE
Undefined method `Upcase’ for String
3. True
4. Error

9. If statement inside if statement is called Nested if statements.

1. True
2. False

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

1. x is greater than 2
2. I can’t guess the number
3. x is 1
4. None of the mentioned