Explanation:
to pick someone's brains. phrase. If you pick someone's brains, you ask them to help you with a problem because they know more about the subject than you.
 
        
             
        
        
        
I need to know my details before answering! So are you from connexus? :)
        
             
        
        
        
Observation of life i think
        
             
        
        
        
Consider, the items are: 22, 40, 64, 70, 90
I haven't take a look, so chances of mistake would increased.
Actually, in real items were: 20, 40, 65, 70, 90
Financially literate means a lot in daily life, if we are, then it is advantage if not, then we can make mistakes at several instances.
My habit is to in hurry, which can create a mess in certain situation and can lead to wrong values/answers, so it is bad.
Hope this helps!