sana participated in a two -round TV qiz in the first round she answered 10 recieved 4 points for ecach correct answer and lost a point for each incorrect answer. sana needed more than 20 points to paticipated in second round.
 

Asked by thomassubin32 | 1st Sep, 2014, 09:19: PM

Expert Answer:

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Answered by Vimala Ramamurthy | 2nd Sep, 2014, 09:59: AM