In an examination 55% students passed in Physics and 45% students passed in Chemistry and 35% passed in both. What percent of students passed in any subject?
In an examination 200 students passed in both physics and chemistry and 40% of the class passed in physics and 60% passed in chemistry. If 10% of the class failed in both the sunjects then what is the total number of students of the class?
In an examination 600 students passed in both Mathematics and English and 60% of the class passed in Mathematics and 70% passed in English. If 30% of the class failed in both the subjects then what number of the students passed in English?
At KIPS 600 students are enrolled in FAST admission test preparatory classes. Of these 200 study physics and 400 study computer science. If 100 of them study meither subject. How many study both?
In a restaurant there are 4 dishes of vegetable and 3 are non-vegetable and 2 types of cold drinks. How many ways a man can choose a meal selecting one from each category?
