Easy 2 point
            Medium 4 points
            Hard 6 points
            Ninja 10 points
| Question | Type | Level | Solve | 
|---|---|---|---|
| Write a function to check whether given string is palindrome? | String | Medium | Solve | 
| Write a function to check whether given number is perfect square? | Math | Medium | Solve | 
| Write a function to check whether given number is prime? | Number | Medium | Solve | 
| Write a function to remove vowels from the given string? | String | Medium | Solve | 
| Write a function to count the number of vowels in given string? | String | Medium | Solve | 
| Write a function to calculate the length of given string? | String | Easy | Solve | 
| Write a function that sums from 1 to given number? | Number | Medium | Solve | 
| Write a function that calculates factorial of given number? | Number | Medium | Solve | 
| Write a function that checks whether given number is divisible by 5? | Number | Easy | Solve | 
| Write a function that multiplies given number by 5? | Number | Easy | Solve | 
