The average marks of 5 students is 80. On rechecking it was noticed that the marks of one student was wrongly taken as 90 in place of 70. Find the correct average.
Answers
Answered by
8
Answer:
76
Step-by-step explanation:
80×5=400
90-70=20
400- 20= 380
380/5=76
Answered by
3
Answer:
Totalmarks = 5x80=400,
Correction=90-70 = 20 (-)
400-20=380
New average=380/5=76
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