From the trivia question In a class of 360 students every students takes at least one of the two drinks Pepsi and Coke. Out of every 10 students who take Coke, 4 students take Pepsi also. Out of every 9 students who take Pepsi, 3 students take Coke also. How many students take Coke?
Sat, 04 Oct 2008 12:18:56 -0000
In fact simply: 160 students take Pepsi alone / 120 students take Coke alone / Then 80 take both Coke and Pepsi. ( 160+120+80 = 360 )
