In a university, a professor gave a set of three problems to the three brilliant students of his class. See the image for the questions.
The logic professor posted a notice on his class door: "Class is canceled today on account of spring. We will meet again at 1:00 P.M. three days after two days before the day before tomorrow." What day does the class meet?
In Miss Q’s class, 1/3 of the students brought a teddy bear to school. Each boy took 12 books, each girl took 17 books, and each teddy bear took 9 books. A total of 305 books were taken out. How many girls were there in Miss Q’s class?
In a class there are total 63 students. The average age of girls is 24 years and that of boys is 21 years. If the average age of whole class is 22 years and 8 months, then how many boys are there in a class?
There are 96 boys and 84 girls in a class. If 60% of the total students leave the class and 'n' number of girls joined again and the ratio of boys to girls become 4:5. What is the value of 'n'?
