Ruby MCQ Questions with answers and solutions Page 16

Q. Why do we use =begin and =end?

(A) To mark the start and end of multiline comment
(B) To comment multiple lines
(C) To avoid the use of # again and again
(D) All of the mentioned

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✅ Correct Answer: (D) All of the mentioned

Published by Mr. Dubey ⭐ 111.54K Points at 21-Apr-2024 11:57 am in Ruby

Q. 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 }."

(A) 12,48,40
(B) Syntax error
(C) The value of x is 12. The sum of x and y is 48. The average was 40.
(D) None of the mentioned

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✅ Correct Answer: (C) The value of x is 12. The sum of x and y is 48. The average was 40.

Published by Mr. Dubey ⭐ 111.54K Points at 21-Apr-2024 11:57 am in Ruby

Q. 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}"

(A) amil jones
(B) What's your first name? amil My name is Amil
(C) What's your first name? amil My name is limA
(D) My name is limA

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✅ Correct Answer: (B) What's your first name? amil My name is Amil

Published by Mr. Dubey ⭐ 111.54K Points at 21-Apr-2024 11:57 am in Ruby

Q. What is the output of the given code?
Ans=Ruby
puts "#[Ans] is an oop language"

(A) Error, no output
(B) Ruby is an oop language
(C) Warning:already initialized constant Ans
(D) None of the mentioned

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✅ Correct Answer: (B) Ruby is an oop language

Published by Mr. Dubey ⭐ 111.54K Points at 21-Apr-2024 11:57 am in Ruby

Q. Objects of which class does the integer from the range -2^30 to 2^(30-1) belong to?

(A) Bignum
(B) Octal
(C) Fixnum
(D) Binary

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✅ Correct Answer: (C) Fixnum

Published by Mr. Dubey ⭐ 111.54K Points at 21-Apr-2024 11:57 am in Ruby

Q. What is the output of the given code?
my_string=Ruby
puts(my_string)

(A) Ruby
(B) Nil
(C) Error
(D) None of the mentioned

💬 Discuss

✅ Correct Answer: (C) Error

Published by Mr. Dubey ⭐ 111.54K Points at 21-Apr-2024 11:57 am in Ruby

Q. What is the output of the given code?
“Ruby”.length #to find the length of given string

(A) 4 to find the length of given string
(B) 4
(C) To find the length of given string
(D) Ruby

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✅ Correct Answer: (B) 4

Published by Mr. Dubey ⭐ 111.54K Points at 21-Apr-2024 11:57 am in Ruby

Q. Which of the following is not a valid library function?

(A) Puts
(B) Print
(C) Gets
(D) Get

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✅ Correct Answer: (D) Get

Published by Mr. Dubey ⭐ 111.54K Points at 21-Apr-2024 11:57 am in Ruby

Q. 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}"

(A) amil jones
(B) What's your first name? amil My name is Amil
(C) My name is lima
(D) My name is limA

💬 Discuss

✅ Correct Answer: (B) What's your first name? amil My name is Amil

Published by Mr. Dubey ⭐ 111.54K Points at 21-Apr-2024 11:57 am in Ruby

Q. What is the output of the given code?
boolean_1 = 77<78
puts(boolean_1)

(A) Nil
(B) True
(C) False
(D) Error

💬 Discuss

✅ Correct Answer: (B) True

Published by Mr. Dubey ⭐ 111.54K Points at 21-Apr-2024 11:57 am in Ruby

Ruby MCQs with answers Page - 16

Q. Why do we use =begin and =end?

Q. 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 }."

Q. 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}"

Q. What is the output of the given code?
Ans=Ruby
puts "#[Ans] is an oop language"

Q. Objects of which class does the integer from the range -2^30 to 2^(30-1) belong to?

Q. What is the output of the given code?
my_string=Ruby
puts(my_string)

Q. What is the output of the given code?
“Ruby”.length #to find the length of given string

Q. Which of the following is not a valid library function?

Q. 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}"

Q. What is the output of the given code?
boolean_1 = 77<78
puts(boolean_1)

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Ruby MCQs with answers Page - 16

Q. Why do we use =begin and =end?

Q. 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 }."

Q. 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}"

Q. What is the output of the given code? Ans=Ruby puts "#[Ans] is an oop language"

Q. Objects of which class does the integer from the range -2^30 to 2^(30-1) belong to?

Q. What is the output of the given code? my_string=Ruby puts(my_string)

Q. What is the output of the given code? “Ruby”.length #to find the length of given string

Q. Which of the following is not a valid library function?

Q. 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}"

Q. What is the output of the given code? boolean_1 = 77<78 puts(boolean_1)

Programming Categories

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Q. 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 }."

Q. 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}"

Q. What is the output of the given code?
Ans=Ruby
puts "#[Ans] is an oop language"

Q. What is the output of the given code?
my_string=Ruby
puts(my_string)

Q. What is the output of the given code?
“Ruby”.length #to find the length of given string

Q. 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}"

Q. What is the output of the given code?
boolean_1 = 77<78
puts(boolean_1)