In a given row vector, find the number of times a mode of a row vector has occurred
example: in [2 5 5 5 5 3], output is 4
Remove the vowels
Sum of diagonal of a square matrix
Find out total non zero element of matrix
Second smallest number
Product of all elements in an array
Basics: counting digits of a number irrespective of the sign
Capitalized string operations
function to compute root mean square of first nn positive odd integers
Sum of unique multiples of 3 and 5
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