education:
in 2011 =10%of 80 million= 8 million
in 2050 =15%of 120 million=18 million
employees increasedservice :
in 2011 =20%of 80 million= 16 million
in 2050 =16.67%of 120 million=20 million
employees increasedmanufacturing:
in 2011 =15%of 80 million= 12 million
in 2050 =8.33%of 120 million=10 million
employees decreased health :
in 2011 =12.5%of 80 million=10 million
in 2050 =20%of 120 million=18 million
employees increasedtechnology:
in 2011 =25%of 80 million=20 million
in 2050 =30%of 120 million=36 million
employees increased other :
in 2011 =17.5%of 80 million=14 million
in 2050 =10%of 120 million=12 million
employees decreased 4 categories employees population increased
option C is correct
_________________
thank you
gajala
"If you like my explanation please click kudos"
Thank you for 100 kudos
for more quant problems here is the link
https://gre.myprepclub.com/forum/gre-math-book-for-the-gre-exam-2609.html