Good day everyone.
I notice there are lot of contest going on in this hive community generally while some are educative and help to boost our performance in life such as wotw by 
In other to focus more on the educative aspect this is what made me to bring out another contest that will help to challenge our knowledge.
The truth is that this community need more challenges that are educative and this is the more reason for creating this challenge and contest.
RULES
- The question only last for 24hours.
- All workings must be shown
- Only the first three winners will be rewarded.
- Multiple answers is not allow.
Good luck