Ruby Programming Questions and Answers – Arrays

This set of Ruby Programming Multiple Choice Questions & Answers (MCQs) focuses on “Arrays”.

1. Arrays can be used to store multiple values in one single variable.
a) True
b) False
View Answer

2. What will be output of the given code?

my_array = [1, 2, 3, 4]
print my_array

a) [1, 2, 3, 4].
b) 1234
c) Error
d) None of the mentioned
View Answer

Output:
[1, 2, 3, 4]

3. Each element in an array has an index and the starting index is index 1.
a) True
b) False
View Answer

4. What will be the output of the following?

array = [100, 200, 300, 400, 500]
print array[4]

a) 400
b) 500
c) Nil
d) None of the mentioned
View Answer

Output:
500

5. What will be the output of the following?

array = [100, 200, 300, 400, 500]
print array[5]

a) 400
b) 500
c) Nil
d) None of the mentioned
View Answer

Output:
Nil

6. What will be the output of the following?

array = [100, 200, 300, 400, 500]
print "array[5]"

a) array[5].
b) 500
c) Nil
d) None of the mentioned
View Answer

Output:
array[5]

7. What will be the output of the following?

array1 = [100, 200, 300, 400, 500]
array2 = [1,2,3,4,5]
if array1 == array2
print "They are equal"
else 
    print "Not equal"
end

a) They are equal
b) Not equal
c) Nil
d) None of the mentioned
View Answer

Output:
Not equal

8. What will be the output of the following?

array1 = [0,0,0]
array2 = [0,0,0]
if array1 == array2
print "They are equal"
else 
    print "Not equal"
end

a) They are equal
b) Not equal
c) Nil
d) None of the mentioned
View Answer

Output:
They are equal

9. What will be the output of the following?

array1 = [1,2,3]
array2 = [0,0,0]
if array1 >= array2
print "Greater or equal"
else 
    print "Not equal"
end

a) Greater or equal
b) Not equal
c) Error
d) None of the mentioned
View Answer

Output:
undefined method `>=' for [1, 2, 3]:Array

10. What will be the output of the following?

array1 = [1,2,3]
array2 = [0,0,0]
if array1 == array2
print "Equal"
else 
    print "Not equal"
end

a) Equal
b) Not equal
c) Error
d) None of the mentioned
View Answer

Output:
Equal

Sanfoundry Global Education & Learning Series – Ruby Programming.

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