Question

In a school 4/5 of the children are boys. if the number of girls is 200,find the nimber of boys

Answer 1

No of boys=4/5th of school strength
therefore no of girls= 1/5th of school strength

given no of girls=200
Total strength of school=200*1/5=>1000

therefore no. of boys= 4/5*1000
=>800