At Uttara High School each student studies exactly one foreign language. Three-fifth of the students take Spanish, and one-fourth of the remaining students take German. If all of the others take French, what percent of the students take French?
সমাধান
সঠিক উত্তর: Option B
Total student=100 Spanish speaking=100x3/5=60 remaining=100-60=40 German speaking=1/4 x 40=10 so all the other French taking=100-60-10=30
