1.What does the `each` method do in Ruby Enumerables?

2.Which Enumerable method is used to transform each element of a collection based on a given block?

3.What is the purpose of the `select` method in Enumerables?

4.What is the output of the following code?

arr = [1, 2, 3, 4, 5]
result = arr.find_index(3)
puts result

5.Which method is used to find the first element in an Enumerable that matches a given condition?

6.What does the `each_with_index` method do?

7.Which Enumerable method is used to sum up all the elements in a collection?

8.What is the purpose of the `sort` method in Enumerables?

9.How can you reverse the order of elements in an Enumerable?

10.What does the `any?` method check in Enumerables?

11.What is the output of the following code?

arr = [1, 2, 3, 4, 5]
result = arr.shuffle
puts result.join(',')

12.Which method is used to remove duplicate elements from an Enumerable?

13.What is the purpose of the `count` method in Enumerables?

14.Which method is used to convert an Enumerable to an array in Ruby?

15.What is the output of the following code?

arr = [1, 2, 3, 4, 5]
result = arr.reduce({}) { |acc, x| acc.merge(x => x**2) }
puts result

16.How can you find the maximum value in an Enumerable?

17.Which method is used to check if a specific element is present in an Enumerable?

18.What is the output of the following code?

arr = [1, 2, 3, 4, 5]
result = arr.lazy.map { |x| x**2 }.take(3).force
puts result.join(',')

19.How can you check if all elements in an Enumerable meet a certain condition?

20.What does the `each_slice` method do in Enumerables?