1. Search for an element in an array 2. Count occurrences of an element in an array 3. Find a sub array in an array 4. Find max element in an array 5. Find second max in an array 6. Arrange odd/even or -ve/+ve numbers in an array 7. Store Fibonacci numbers in an array 8. Check for a palindrome array 9. Compare 2 arrays 10. Remove duplicates in an array