### How you can get number 28 by using following numbers and operators

**Numbers**: 1, 5, 7 and 8.

**Operators:** +, -, * and /

You can use ( ) brackets as well.

**Rules:-**

- You can use each number only once.
- You can not use 1 and 5 as 15.
- You have to use all of the above number mentioned (1,5,7 and 8)

See Answer

**Solution 1:**(8-5+1)*7 = 28

**Solution 2:**7*5 – 8 + 1 = 28