Related Questions

If 75% students of a class answered the first question in a test correctly, 55% answered the second question correctly and 20% answered neither of the questions correctly, what percent answered both the questions correctly?
If 75 percent of a class answered the first question on a certain test correctly, 55 percent answered the second question on the test correctly, and 20 percent answered neither of the questions correctly, what percent answered both correctly?
Khulna University has astudent -to teacher ratio of 11 to 1. The average annual salary of the teachers is Tk. 26,000. If the university pays a total of 33,80,000 in annual salaries to its teachers, how many students the university have?
Khulna University has a student-to-teacher ratio of 11 to 1; The average annual salary of the teachers is Tk, 26,000, if the university pays a total of 33,80,000 in annual salaries to its teachers how many students the university have?
Harvard............ a school for men, but now it is coeducational, serving as many women as men.
If Arif works alone he will take 20 more hours to complete a task than if he works with Babu to complete the task. If Babu work alone, he will take 5 more hours to complete the task than if he works with Arif to complete the task. What is the ratio of the time taken by Arif to than taken by Babu if each of them works alone to complete the task?
Read answered 75% of the questions on a test correctly. If he answered 18 questions out of the first 22 correctly, and two-third of the remaining questions correctly, how many questions were on the test?
A can complete a task alone in 8 days, while B takes 12 days to do it by herself. Together with C it takes them 4 days to complete the work. If C and D together can complete the task in 15 days, then how many days will D need to complete the task by herself?
Hossain started his journey from home (east side) to university. He reached a junction after sometimes. Now, a mosque is there at the end of road at his right. A hospital is at front side, in which direction is his university?
Hemant in order to go to university started from his house in the east and came to a crossing. The road to the left ends in a theatre, straight ahead is the hospital. In which direction is the university?