Question 1 - given two number arrays, first array is price[], second is ratings[]. Return the index of max ratio of rating/price.
Question 2 - given an array of strings, check if a string starts and ends with an vowel, case insensitive. If so, reverse the middle string (excluding the start and end vowel), and return the modified array.
Question 3 - Given a matrix, with single digit positive integers and plus and minus signs only, only go top to bottom and left to right, return max evaluated number.