a's average makrs in subject were 91. his total marks in remaning two subjects were 176. find average of his marks in all subjects.
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total marks= 91+176=267
total test given=3
average= total marks÷test given= 267÷3= 89 marks = average
total test given=3
average= total marks÷test given= 267÷3= 89 marks = average
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