Ruby interview questions part 7
Ruby interview questions part 7
Take as many assements as you can to improve your validate your skill rating
Total Questions: 20
1. What is the output of the code? print "What's your first name?" first_name=gets.chomp a=first_name.capitalize first_name.capitalize! print "What's your last name?" last_name=gets.chomp b=last_name.capitalize last_name.capitalize! puts "My name is #{first_name} #{last_name}"
Correct Answer is : What’s your first name? amil
2. What is the output of the code? print "What's your first name?" first_name=gets.chomp a=first_name.capitalize first_name.capitalize! print "What's your last name?" last_name=gets.chomp b=last_name.capitalize last_name.capitalize puts "My name is #{first_name} #{last_name}"
Correct Answer is : What’s your first name? amil
3. What is the output of the given code? print "what's your first name?" first_name=gets.chomp a=first_name.capitalize "first_name.capitalize!".reverse puts"My name is #{first_name}"
Correct Answer is : What’s your first name? amil
4. What is the output of the given code? print "what's your first name?" first_name=gets.chomp a=first_name.capitalize "a".reverse puts"My name is #{a}"
Correct Answer is : What’s your first name? amil
5. What is the output of the given code? print "What's your first name?" first_name=gets.chomp a=first_name.capitalize a=a.reverse puts"My name is #{a}"
Correct Answer is : What’s your first name? amil
6. What do we mean by expression substitution?
Correct Answer is : Embedding the value of Ruby expression into a string using #{ }
7. What is the output of the given code? x, y, z = 12, 36, 72 puts "The value of x is #{ x }." puts "The sum of x and y is #{ x + y }." puts "The average was #{ (x + y + z)/3 }."
Correct Answer is : The value of x is 12.
8. What does %{Learn ruby language} represents?
Correct Answer is : “Learn Ruby language”
9. What does %Q{ Learn ruby language } represents?
Correct Answer is : ” Learn Ruby language ”
10. What does %x!ls! represents?
Correct Answer is : Same as back tick command output `ls`
11. It is possible to make array of booleans.
Correct Answer is : TRUE
12. What is the output of the given code? string_array = ["a","e","i","o","u"] print string_array
Correct Answer is : [“a”,”e”,”i”,”o”,”u”].
13. What is the output of the given code? string_array = ["a","e","i","o","u"] print string_array[3]
Correct Answer is : o
14. What is the output of the given code? string_array = ["a","e","i","o","u"] boolean_array = ["True","False"] puts string_array[3] puts boolean_array[1]
Correct Answer is : o
15. What is the output of the given code? a=[1,2,3,4,5] b=[1,2,4,6,8] if a[3]==b[2] print "Equal" end
Correct Answer is : Equal
16. What is the output of the given code? a=[1,2,3,4,5] b=[1,2,3,4,5] if a==b print "Equal" else print "Not equal" end
Correct Answer is : Equal
17. What is the output of the given code? a=["hey", "ruby", "language"] b=["hey", "ruby", "language"] if a==b print "Equal" else print "Not equal" end
Correct Answer is : Equal
18. What is the output of the given code? a=["hey", "ruby", "language"] b=["hey", "language", "ruby"] if a==b print "Equal" else print "Not equal" end
Correct Answer is : Not equal
19. What is the output of the given code? a=["hey", "ruby", "language"] b=[1, 2, 3] puts b[1] puts a[2]
Correct Answer is : 2
20. Which of the following is not a valid library function?
Correct Answer is : Get
