A. To enter name, class roll no. and marks in 8 different subjects. Calculate total
and percent of marks. If percent is greater than 80, then display the message
"You got Excellent Result" otherwise display the message "You got average
result".
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Which demographic challenge is europe currently experiencing? a. an aging and decreasing population b. a baby boomc. an unequal distribution between males and females d. a large group of teenagers moving through the school system(i chose a but i'm unsure)