Answers

2015-12-20T11:27:45+05:30
1. ans is 353.5 
logic is 45*1+1=46,
             46*1.5+1=70
             70*2+1=141
             141*2.5+1=353.5
2. all series follows x*2.5+20 so
               320*2.5+20=820
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