51.
What is the output of the given code?
multi_d_array = [[1,2,3,4],[0,0,0,0]]
multi_d_array.each { |x| puts "#{x}\n" }

54.
What is the output of the given code?
array1 = [[1,2,3,4],[0,0,0,0]]
array2 = [[1,2,3],[0,0,0]]
print array1 && array2

55.
What is the output of the given code?
array1 = [[1,2,3,4],[0,0,0,0]]
array2 = [[1,2,3,4],[0,0,0,0]]
print array1+array2

56.
What is the output of the given code?
a=["hey", "ruby", "language"]
b=["hey", "ruby", "language"]
if a==b
    print "Equal"
else
    print "Not equal"
end