In Ruby, how can you add a key-value pair to an existing hash?
A. Using the `add` method
B. Using the `insert` method
C. Using the `put` method
D. Simply assigning a value to a new key
Answer: Option D
A. Using the `add` method
B. Using the `insert` method
C. Using the `put` method
D. Simply assigning a value to a new key
Answer: Option D
Which method in Ruby is used to add an element to the end of an array?
A. push
B. pop
C. append
D. insert
What will array.size return in Ruby, if array = [1, 2, 3, 4, 5]?
A. 5
B. 4
C. [1, 2, 3, 4, 5]
D. "array"
Which method is used to access the value associated with a specific key in a hash in Ruby?
A. access
B. get
C. fetch
D. value
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