15 practice sets · Page 1 of 1
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}"
amil jones
What’s your first name amil
My name is amil
My name is limA
Correct Answer: B — What’s your first name amil
Explanation:
a=a.reverse reverses 'Amil' to 'limA'. The prompt is printed first when asking for input.
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}"
amil jones
My name is limA
My name is amil
What’s your first name amil
Correct Answer: D — What’s your first name amil
Explanation:
"first_name.capitalize!".reverse reverses the string literal, not the variable. So first_name is unchanged (lowercase). The prompt is printed when code runs.
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}"
None of the mentioned
Amil Jones
What’s your first name amil
My name is Amil jones
Correct Answer: C — What’s your first name amil
Explanation:
puts a[2] outputs 'language' and returns nil. b[nil] returns nil. puts nil outputs a blank line. The index used is nil so output is '2' (index of 'language' is 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}"
My name is Amil Jones
None of the mentioned
What’s your first name amil
Amil Jones
Correct Answer: C — What’s your first name amil
Explanation:
a=["hey", "ruby", "language"] and b=["hey", "language", "ruby"]. Order differs, so a != b. Output: 'Not equal'.
What is the output of the given code
a=["hey", "ruby", "language"]
b=[puts b[puts a[2]
3 ruby
2
None of the mentioned
Error
Correct Answer: B — 2
Explanation:
a and b are both ["hey", "ruby", "language"]. In Ruby, two arrays with the same elements in the same order are equal, so output is 'Equal'.
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
Error
None of the mentioned
Equal
Not equal
Correct Answer: D — Not equal
Explanation:
a and b have identical elements [1,2,3,4]. In Ruby, arrays are equal if they have the same elements in the same order. So the output is 'Equal'.
What is the output of the given code
x, y, z = 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 }."
Syntax error
None of the mentioned
The value of x is 12.
12,48,40
Correct Answer: C — The value of x is 12.
Explanation:
first_name.capitalize! modifies first_name in-place. The prompt itself is printed when the code runs, so output includes the prompt line.
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
Equal
Not equal
Error
None of the mentioned
Correct Answer: A — Equal
Explanation:
a[3] is 4 and b[3] is 6 (b=[1,2,4,6]). Since 4 != 6, the condition is false. Wait — actually a[3]==b[3] is 4==6 → false, so 'Equal' is NOT printed. However, b[2]=4 and a[2]=3 → a[3]=4, b[2]=4 → Equal is printed when a[3]==b[2]. Output: Equal.
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}"
My name is Amil
My name is lima
amil jones
What’s your first name amil
Correct Answer: D — What’s your first name amil
Explanation:
"a".reverse reverses the string literal 'a', not the variable. a holds capitalized value but first_name is unchanged. Prompt is printed.
What is the output of the given code
a=[1,2,3,4,b=[1,2,3,4,if a==b
print "Equal"
else
print "Not equal"
end
Error
Not equal
Equal
None of the mentioned
Correct Answer: C — Equal
Explanation:
puts boolean_array[1] outputs 'False' and returns nil. string_array[nil] returns nil, so puts outputs nothing — effectively 'o' is printed.
What is the output of the given code
a=[1,2,3,4,b=[1,2,4,6,if a[3]==b[ print "Equal"
end
4
None of the mentioned
Error
Equal
Correct Answer: D — Equal
Explanation:
puts boolean_array outputs 'True' and 'False' and returns nil, so string_array[nil] raises no useful result. Output is 'o'.
What is the output of the given code
string_array = ["a","e","i","o","u"]
boolean_array = ["True","False"]
puts string_array[puts boolean_array[1]
[“a”,”e”,”i”,”o”,”u”].
Error
o
None of the mentioned
Correct Answer: C — o
Explanation:
string_array[3] accesses index 3, which is 'o'.
What is the output of the given code
string_array = ["a","e","i","o","u"]
boolean_array = ["True","False"]
puts string_array[puts boolean_array[0]]
[“a”,”e”,”i”,”o”,”u”].
None of the mentioned
Error
o
Correct Answer: D — o
Explanation:
print outputs the array as-is: ["a","e","i","o","u"].
What is the output of the given code
string_array = ["a","e","i","o","u"]
print string_array[3]
o
Error
None of the mentioned
[“a”,”e”,”i”,”o”,”u”].
Correct Answer: A — o
Explanation:
string_array[3] accesses index 3 (0-based), which is 'o'.
What is the output of the given code
string_array = ["a","e","i","o","u"]
print string_array
Error
Vowels
[“a”,”e”,”i”,”o”,”u”].
None of the mentioned
Correct Answer: C — [“a”,”e”,”i”,”o”,”u”].
Explanation:
print outputs the array inline without newline: ["a","e","i","o","u"].
