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n a school, for a student out of 100 he got 74 of average
for 7 subjects and he got 79 marks in the 8th subject. what is
the average of all the subject?
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- his total marks are (74*7)+(79*1)=597
hence average of 8 subjects will be=597/8=74.6 - 12 years agoHelpfull: Yes(8) No(0)
- for 7 subjects the avg is 74
for ading 8th sub he got 79 marks i.e.,5 mrks incresed
so 5/8=0.625
then the new avg is 74+0.625=74.625 - 12 years agoHelpfull: Yes(7) No(1)
- (7*74+1*79)/8=74.625
- 12 years agoHelpfull: Yes(5) No(0)
- answer is 74.625
74*7=518
518+79=597
597/8=74.625 - 12 years agoHelpfull: Yes(4) No(1)
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