In 5 compulsory subjects a candidate secures an average of 60%. In 2 optional subjects he secures equal marks and when these are added to his total, his average drops by 4%. How much did he secure in each optional subjects?
A. 56%
B. 52%
C. 50%
D. 46%
E. 48%

• marks in 5 subjects =60*5=300
  let marks in optional subject be x
  300+x+x=56*7
  x=46% ans
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