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Margaret observed that in a campus interview, only 75% of the candidates who were interviewed got selected. 120 girls were selected. `5/6` of those who did not get selected were girls. The remaining number of people who did not get selected were 10 boys. It was found that only boys and girls took part in the interview. Of the total nu ...
In a selection test for the army, 40% of the cadets failed. 108 male cadets passed the test. The remaining `11/17`of those who passed were female cadets. 51 female cadets failed the test. What percentage of the total number cadets who appeared for the test were boys who failed?
In a stadium, 15% of the audience watching a horse race were women. `17/20` of the men did not wear hats. 39 women wore hats. The remaining `7/20` of the women did not wear hats. (a) How many people in the audience were men who wore hats? (b) How many women did not wear hats? ...