A) 480
B) 460
C) 490
D) 475
Correct Answer: A
Solution :
% of boys\[=\left( 10-40 \right)=60%\] Let total number of students be\[x\] 60% of\[x=720\] \[\frac{60}{100}\times x=720\] \[x=\frac{720\times 100}{60}=1200\] Number of girls\[=\frac{40}{100}\times 1200=480\]You need to login to perform this action.
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