11. Write a Ruby program to find the smallest number in an array.
Required Input:
[8, 3, 5, 2, 7]Expected Output:
2
Code In Ruby
# Predefined array
array = [8, 3, 5, 2, 7]
# Your logic here
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12. Write a program that prints numbers from 1 to 100, replacing multiples of 3 with "Fizz," multiples of 5 with "Buzz," and multiples of both with "FizzBuzz."
Required Input:
1 to 100Expected Output:
1, 2, Fizz, 4, Buzz, Fizz, 7, 8, Fizz, Buzz
Code In Ruby
# Your logic here
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13. Create a method to merge two arrays and remove duplicates.
Required Input:
Array1: [1, 2, 3], Array2: [2, 3, 4]Expected Output:
[1, 2, 3, 4]
Code In Ruby
# Predefined arrays
array1 = [1, 2, 3]
array2 = [2, 3, 4]
# Your logic here
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14. Write a program to check if an array contains a specific element.
Required Input:
Array: [10, 20, 30, 40], Element: 30Expected Output:
true
Code In Ruby
# Predefined array and element
array = [10, 20, 30, 40]
element = 30
# Your logic here
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15. Write a method that takes a hash and prints each key-value pair.
Required Input:
{name: "John", age: 25, city: "New York"}Expected Output:
name: John
age: 25
city: New York
Code In Ruby
# Predefined hash
hash = {name: "John", age: 25, city: "New York"}
# Your logic here
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16. Create a Ruby program to reverse the elements in an array.
Required Input:
[1, 2, 3, 4, 5]Expected Output:
5
4
3
2
1
Code In Ruby
# Predefined array
array = [1, 2, 3, 4, 5]
# Your logic here
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17. Write a method that checks if a string contains a specific substring.
Required Input:
"hello world", "world"Expected Output:
true
Code In Ruby
# Predefined string and substring
string = "hello world"
substring = "world"
# Your logic here
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18. Create a method to capitalize the first letter of each word in a string.
Required Input:
"ruby is fun"Expected Output:
Ruby Is Fun
Code In Ruby
# Predefined string
string = "ruby is fun"
# Your logic here
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19. Write a program to generate the Fibonacci sequence up to a given number.
Required Input:
10Expected Output:
0
1
1
2
3
5
8
Code In Ruby
# Predefined number
num = 10
# Your logic here
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20. Write a Ruby program to count the frequency of each character in a string.
Required Input:
"hello"Expected Output:
h: 1
e: 1
l: 2
o: 1
Code In Ruby
# Predefined string
string = "hello"
# Your logic here
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