There are 5 papers. Ratio of marks obtained in each subject is 6:7:8:9:10. Total marks obtained is 60%. 50% is pass marks. In how many subjects did he get above 50%?

4

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vkparthipan

  • Jun 19th, 2006
 

ya it s correct one..

6x+7x+8x+9x+10x=60/100(500)

total marks=60% of total marks (i.e 500)

solving x=7.5

so  6*7.5=45

others all are above 50

so 4 is the answer...

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