If hit-----> one rupee gain and miss--------> one rupee loss ,one can try 100 times, he got total 30/-, how many hit?

65

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mishu

  • Sep 16th, 2005
 

65 IS HIT BEC 65-35=30 WHICH IS WHAT HE GOT AND 65+35 IS 100 WHICH IS WHAT HE HAS

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Sangeeta Dey

  • Mar 23rd, 2006
 

Let total no of hits=xTherefore, total no of miss=100-xThus, (x*1)-((100-x)*1)=30 =>x-100+x=30 =>2*x=100+30=130 =>x=130/2 =Rs. 65/-

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