Ruby MCQ Questions with answers and solutions Page 9

Q. String is a sequence of _________ characters.

(A) one
(B) many
(C) Both A and B
(D) None of the above

💬 Discuss

✅ Correct Answer: (C) Both A and B

Explanation: string is a sequence of one or more characters

Published by Vinay Kumar ⭐ 8.55K Points at 30-Jun-2023 08:35 pm in Ruby

Q. String may consists of ..........

(A) Number
(B) letter
(C) Special character
(D) All of the above

💬 Discuss

✅ Correct Answer: (D) All of the above

Explanation: String may consist of numbers, letters, or symbols.

Published by Vinay Kumar ⭐ 8.55K Points at 30-Jun-2023 08:36 pm in Ruby

Q. String are

(A) mutable
(B) unmutable
(C) Both A and B
(D) None of the above

💬 Discuss

✅ Correct Answer: (A) mutable

Explanation: strings are mutable, i.e. strings can be changed in place instead of creating new strings.

Published by Vinay Kumar ⭐ 8.55K Points at 30-Jun-2023 08:36 pm in Ruby

Q. Double quotes and single quotes will interpolates ?

(A) TRUE
(B) FALSE
(C) double quotes will interpolates
(D) Single quotes will interpolates

💬 Discuss

✅ Correct Answer: (C) double quotes will interpolates

Explanation: In string, double quotes will interpolates while single quotes will not interpolates.

Published by Vinay Kumar ⭐ 8.55K Points at 30-Jun-2023 08:37 pm in Ruby

Q. What will be output for the following code?

Code:

str1 = "LFC" puts 'str1: #{str1}'

(A) str1: LFC
(B) str1: #{str1}
(C) str1: {LFC}
(D) str1: #{LFC}

💬 Discuss

✅ Correct Answer: (B) str1: #{str1}

Explanation: Cannot Interpolate so output is str1: #{str1}.

Published by Vinay Kumar ⭐ 8.55K Points at 30-Jun-2023 08:37 pm in Ruby

Q. what will be output for the following code?

Code:

str1 = LFC puts "str1: #{str1}"

(A) str1: LFC
(B) str1: #{str1}
(C) str1: {LFC}
(D) str1: #{LFC}

💬 Discuss

✅ Correct Answer: (A) str1: LFC

Published by Vinay Kumar ⭐ 8.55K Points at 30-Jun-2023 08:40 pm in Ruby

Q. In ruby, User can access the string elements by using the__________?

(A) {}
(B) []
(C) ()
(D) All of the above

💬 Discuss

✅ Correct Answer: (B) []

Explanation: User can access the string elements by using the square brackets []. In square brackets [], the user can pass the strings, ranges or indexes.

Published by Vinay Kumar ⭐ 8.55K Points at 30-Jun-2023 08:43 pm in Ruby

Q. Ruby arrays are ____________

(A) unordered
(B) ordered
(C) Both A and B
(D) None of the above

💬 Discuss

✅ Correct Answer: (B) ordered

Explanation: Ruby arrays are ordered, integer-indexed collections of any object.

Published by Yami Thakur ⭐ 10.63K Points at 21-Jul-2023 06:45 am in Ruby

Q. Each element in an array is associated with _______.

(A) Numbers
(B) Index
(C) Integer
(D) None of the above

💬 Discuss

✅ Correct Answer: (B) Index

Explanation: Each element in an array is associated with and referred to by an index.

Published by Yami Thakur ⭐ 10.63K Points at 21-Jul-2023 06:45 am in Ruby

Q. Array indexing in ruby starts at_________.

(A) -1
(B) 1
(C) 0
(D) Random number

💬 Discuss

✅ Correct Answer: (C) 0

Explanation: Array indexing starts at 0, as in C or Java.

Published by Yami Thakur ⭐ 10.63K Points at 21-Jul-2023 06:46 am in Ruby

Ruby MCQs with answers Page - 9

Q. String is a sequence of _________ characters.

Q. String may consists of ..........

Q. String are

Q. Double quotes and single quotes will interpolates ?

Q. What will be output for the following code?

Q. what will be output for the following code?

Q. In ruby, User can access the string elements by using the__________?

Q. Ruby arrays are ____________

Q. Each element in an array is associated with _______.

Q. Array indexing in ruby starts at_________.

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